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By NASA
NASA astronauts Anne McClain (bottom) and Nichole Ayers (top), both Expedition 73 Flight Engineers, checkout spacesuit hardware in the Quest airlock and review procedures for a May 1 spacewalk. Credit: NASA Johnson Space Center NASA astronauts Nichole Ayers and Anne McClain will answer prerecorded questions about science, technology, engineering, and mathematics from students in Bethpage, New York. The two astronauts are currently aboard the International Space Station.
Watch the 20-minute Earth-to-space call at 12:45 p.m. EDT on Friday, May 16, on the NASA STEM YouTube Channel.
Media interested in covering the event must RSVP no later than 5 p.m., Tuesday, May 13, by contacting Francesca Russell at: frussell@syntaxny.com or 516-644-4330.
The event is hosted by Central Boulevard Elementary School. As part of the call, students will highlight their year-long reading program, “Reading is a Blast-Exploring a Universe of Stories.”
For more than 24 years, astronauts have continuously lived and worked aboard the space station, testing technologies, performing science, and developing skills needed to explore farther from Earth. Astronauts aboard the orbiting laboratory communicate with NASA’s Mission Control Center in Houston 24 hours a day through SCaN’s (Space Communications and Navigation) Near Space Network.
Important research and technology investigations taking place aboard the space station benefit people on Earth and lays the groundwork for other agency missions. As part of NASA’s Artemis campaign, the agency will send astronauts to the Moon to prepare for future human exploration of Mars; inspiring Artemis Generation explorers and ensuring the United States continues to lead in space exploration and discovery.
See videos of astronauts aboard the space station at:
https://www.nasa.gov/stemonstation
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Gerelle Dodson
Headquarters, Washington
202-358-1600
gerelle.q.dodson@nasa.gov
Sandra Jones
Johnson Space Center, Houston
281-483-5111
sandra.p.jones@nasa.gov
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Last Updated May 09, 2025 LocationNASA Headquarters Related Terms
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By NASA
Students from Eau Gallie High School in Melbourne, Florida, visited the Prototype Development Laboratory at NASA’s Kennedy Space Center in Florida on Monday, April 28, 2025. The science, technology, engineering, and mathematics (STEM) participants are interested in technical trades and had the chance to hear from technicians at the Prototype Development Laboratory who design, fabricate, and evaluate protypes, test articles, and test support equipment.
NASA Kennedy’s Office of STEM Engagement provides opportunities to attract, engage, and enable students seeking careers in science, technology, engineering, and mathematics.
“My technical training in high school plays a huge role in the work I do every day in the Prototype Laboratory,” said Spencer Wells, mechanical engineering technician at Prototype Development Laboratory. “If it weren’t for that training, I’m convinced I wouldn’t be here at NASA.”
Some of the participants also have worked on a project to design and build a wheel for a lunar excavator demonstration mission as part of the NASA HUNCH program, an instructional partnership between NASA and educational institutions.
Image credit: NASA/Frank Michaux
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By NASA
3 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
NASA’s coverage of the April 8, 2024, total solar eclipse has earned two nominations for the 46th Annual News & Documentary Emmy Awards.
The Academy of Television Arts & Sciences announced the nominations on May 1, recognizing NASA’s outstanding work in sharing this rare celestial event with audiences around the world. The winners are set to be unveiled at a ceremony in late June.
“Total solar eclipses demonstrate the special connection between our Earth, Moon, and Sun by impacting our senses during the breathtaking moments of total alignment that only occur at this time on Earth,” said Nicky Fox, associate administrator for science at NASA Headquarters in Washington. “NASA’s Eclipse coverage team perfectly encapsulated the awe-inspiring experience from start to finish for viewers around the world in this once-in-a-lifetime moment in American history. Congratulations to the entire NASA Eclipse coverage team for their two much-deserved Emmy award nominations!”
The two nominations include:
Outstanding Live News Special for the agency’s live broadcast coverage of the 2024 total solar eclipse. NASA’s live broadcast coverage of the 2024 total solar eclipse was the most ambitious live project ever attempted by the agency. The broadcast spanned three hours as the eclipse traveled 3,000 miles across seven states and two countries. From cities, parks, and stadiums, 11 hosts and correspondents provided on air commentary, interviews, and live coverage. Viewers tuned in from all over the world, including at watch parties in 9 locations, from the Austin Public Library to New York’s Times Square. An interactive “Eclipse Board” provided real time data analysis as the Moon’s shadow crossed North America. Live feeds from astronauts aboard the International Space Station and NASA’s WB-57 high-altitude research aircraft were brought in to provide rare and unique perspectives of the solar event.
In total, NASA received almost 40 million views across its own distribution. Externally, the main broadcast was picked up in 2,208 hits on 568 channels in 25 countries.
Outstanding Show Open or Title Sequence – News for the agency’s show open for the 2024 total solar eclipse. NASA’s show open for the 2024 total solar eclipse live broadcast explores the powerful connections between the Sun, humanity, and the rare moment when day turns to night. From witnessing the Sun’s atmosphere to feeling the dramatic drop in temperature, the video captures the psychological, emotional, and cultural impact of this celestial phenomenon.
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Last Updated May 08, 2025 Related Terms
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7 min read NASA’s Hubble Pinpoints Roaming Massive Black Hole
Like a scene out of a sci-fi movie, astronomers using NASA telescopes have found “Space…
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By NASA
Explore Hubble Science Hubble Space Telescope NASA’s Hubble Pinpoints… Hubble Home Overview About Hubble The History of Hubble Hubble Timeline Why Have a Telescope in Space? Hubble by the Numbers At the Museum FAQs Impact & Benefits Hubble’s Impact & Benefits Science Impacts Cultural Impact Technology Benefits Impact on Human Spaceflight Astro Community Impacts Science Hubble Science Science Themes Science Highlights Science Behind Discoveries Hubble’s Partners in Science Universe Uncovered Explore the Night Sky Observatory Hubble Observatory Hubble Design Mission Operations Missions to Hubble Hubble vs Webb Team Hubble Team Career Aspirations Hubble Astronauts News Hubble News Social Media Media Resources Multimedia Multimedia Images Videos Sonifications Podcasts e-Books Online Activities Lithographs Fact Sheets Posters Hubble on the NASA App Glossary More 35th Anniversary Online Activities 7 Min Read NASA’s Hubble Pinpoints Roaming Massive Black Hole
This six-panel illustration of a tidal disruption event around a supermassive black hole shows the collision with a star followed by an explosion detected in X-ray as well as Hubble Space Telescope visible-light observations. Credits:
Artwork: NASA, ESA, STScI, Ralf Crawford (STScI) Like a scene out of a sci-fi movie, astronomers using NASA telescopes have found “Space Jaws.”
Lurking 600 million light-years away, within the inky black depths between stars, there is an invisible monster gulping down any wayward star that plummets toward it. The sneaky black hole betrayed its presence in a newly identified tidal disruption event (TDE) where a hapless star was ripped apart and swallowed in a spectacular burst of radiation. These disruption events are powerful probes of black hole physics, revealing the conditions necessary for launching jets and winds when a black hole is in the midst of consuming a star, and are seen as bright objects by telescopes.
The new TDE, called AT2024tvd, allowed astronomers to pinpoint a wandering supermassive black hole using NASA’s Hubble Space Telescope, with similar supporting observations from NASA’s Chandra X-Ray Observatory and the NRAO Very Large Array telescope that also showed that the black hole is offset from the center of the galaxy.
The paper will be published in an upcoming issue of The Astrophysical Journal Letters.
This six-panel illustration of a tidal disruption event around a supermassive black hole shows the following: 1) A supermassive black hole is adrift inside a galaxy, its presence only detectable by gravitational lensing; 2) A wayward star gets swept up in the black hole’s intense gravitational pull; 3) The star is stretched or “spaghettified” by gravitational tidal effects; 4) The star’s remnants form a disk around the black hole; 5) There is a period of black hole accretion, pouring out radiation across the electromagnetic spectrum, from X-rays to radio wavelengths; and 6) The host galaxy, seen from afar, contains a bright flash of energy that is offset from the galaxy’s nucleus, where an even more massive black hole dwells. Artwork: NASA, ESA, STScI, Ralf Crawford (STScI) Surprisingly, this one million-solar-mass black hole doesn’t reside exactly in the center of the host galaxy, where supermassive black holes are typically found, and actively gobble up surrounding material. Out of approximately 100 TDE events recorded by optical sky surveys so far, this is the first time an offset TDE has been identified. The rest are associated with the central black holes of galaxies.
In fact, at the center of the host galaxy there is a different supermassive black hole weighing 100 million times the mass of the Sun. Hubble’s optical precision shows the TDE was only 2,600 light-years from the more massive black hole at the galaxy’s center. That’s just one-tenth the distance between our Sun and the Milky Way’s central supermassive black hole.
This bigger black hole spews out energy as it accretes infalling gas, and it is categorized as an active galactic nucleus. Strangely, the two supermassive black holes co-exist in the same galaxy, but are not gravitationally bound to each other as a binary pair. The smaller black hole may eventually spiral into the galaxy’s center to merge with the bigger black hole. But for now, it is too far separated to be gravitationally bound.
A TDE happens when an infalling star is stretched or “spaghettified” by a black hole’s immense gravitational tidal forces. The shredded stellar remnants are pulled into a circular orbit around the black hole. This generates shocks and outflows with high temperatures that can be seen in ultraviolet and visible light.
“AT2024tvd is the first offset TDE captured by optical sky surveys, and it opens up the entire possibility of uncovering this elusive population of wandering black holes with future sky surveys,” said lead study author Yuhan Yao of the University of California at Berkeley. “Right now, theorists haven’t given much attention to offset TDEs. “I think this discovery will motivate scientists to look for more examples of this type of event.”
This is a Hubble Space Telescope image of distant galaxy that is host to the telltale signature of a roaming supermassive black hole. Science: NASA, ESA, STScI, Yuhan Yao (UC Berkeley); Image Processing: Joseph DePasquale (STScI) A Flash in the Night
The star-snacking black hole gave itself away when several ground-based sky survey telescopes observed a flare as bright as a supernova. But unlike a supernova, astronomers know that this came from a black hole snacking on a star because the flare was very hot, and showed broad emission lines of hydrogen, helium, carbon, nitrogen, and silicon. The Zwicky Transient Facility at Caltech’s Palomar Observatory, with its 1.2-meter telescope that surveys the entire northern sky every two days, first observed the event.
“Tidal disruption events hold great promise for illuminating the presence of massive black holes that we would otherwise not be able to detect,” said Ryan Chornock, associate adjunct professor at UC Berkeley and a member of the ZTF team. “Theorists have predicted that a population of massive black holes located away from the centers of galaxies must exist, but now we can use TDEs to find them.”
The flare was seemingly offset from the center of a bright massive galaxy as cataloged by Pan-STARRS (Panoramic Survey Telescope and Rapid Response System), the Sloan Digital Sky Survey, and the DESI Legacy Imaging Survey. To better determine that it was not at the galactic center, Yao’s team used NASA’s Chandra X-ray Observatory to confirm that X-rays from the flare site were also offset.
It took the resolving power of Hubble to settle any uncertainties. Hubble’s sensitivity to ultraviolet light also allows it to pinpoint the location of the TDE, which is much bluer than the rest of the galaxy.
This is a combined Hubble Space Telescope/Chandra X-Ray Observatory image of a distant galaxy that is host to the telltale signature of a roaming supermassive black hole. Both telescopes caught a tidal disruption event (TDE) caused by the black hole eating a star. Science: NASA, ESA, STScI, Yuhan Yao (UC Berkeley); Image Processing: Joseph DePasquale (STScI) Origin Unknown
The black hole responsible for the TDE is prowling inside the bulge of the massive galaxy. The black hole only becomes apparent every few tens of thousands of years when it “burps” from capturing a star, and then it goes quiet again until its next meal comes along.
How did the black hole get off-center? Previous theoretical studies have shown that black holes can be ejected out of the centers of galaxies because of three-body interactions, where the lowest-mass member gets kicked out. This may be the case here, given the stealthy black hole’s close proximity to the central black hole. “If the black hole went through a triple interaction with two other black holes in the galaxy’s core, it can still remain bound to the galaxy, orbiting around the central region,“ said Yao.
An alternative explanation is that the black hole is the surviving remnant of a smaller galaxy that merged with the host galaxy more than 1 billion years ago. If that is the case, the black hole might eventually spiral in to merge with the central active black hole sometime in the very far future. So at present, astronomers don’t know if it’s coming or going.
Erica Hammerstein, another UC Berkeley postdoctoral researcher, scrutinized the Hubble images as part of the study, but did not find any evidence of a past galaxy merger. But she explained, “There is already good evidence that galaxy mergers enhance TDE rates, but the presence of a second black hole in AT2024tvd’s host galaxy means that at some point in this galaxy’s past, a merger must have happened.”
Specialized for different kinds of light, observatories like Hubble and Chandra work together to pinpoint and better understand fleeting events like these. Future telescopes that will also be optimized for capturing transient events like this one include the National Science Foundation’s Vera C. Rubin Observatory and NASA’s upcoming Nancy Grace Roman Space Telescope. They will provide more opportunities for follow-up Hubble observations to zero in on a transient’s exact location.
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The Hubble Space Telescope has been operating for over three decades and continues to make ground-breaking discoveries that shape our fundamental understanding of the universe. Hubble is a project of international cooperation between NASA and ESA (European Space Agency). NASA’s Goddard Space Flight Center in Greenbelt, Maryland, manages the telescope and mission operations. Lockheed Martin Space, based in Denver, also supports mission operations at Goddard. The Space Telescope Science Institute in Baltimore, which is operated by the Association of Universities for Research in Astronomy, conducts Hubble science operations for NASA.
ZTF is a public-private partnership, with equal support from the ZTF Partnership and from the U.S. National Science Foundation.
Facebook logo @NASAHubble @NASAHubble Instagram logo @NASAHubble Related Images & Videos
Six panel illustration of Black Hole TDE AT2024tvd
This is a six-panel illustration of a tidal disruption event around a supermassive back hole.
Black Hole TDE AT2024tvdu00a0
This is a Hubble Space Telescope image of a distant galaxy that is host to the telltale signature of a roaming supermassive black hole.
Black Hole TDE AT2024tvd (Hubble + Chandra)
This is a combined Hubble Space Telescope/Chandra X-Ray Observatory image of a distant galaxy that is host to the telltale signature of a roaming supermassive black hole.
Black Hole TDE AT2024tvd Compass Image
This is a combined Hubble Space Telescope/Chandra X-Ray Observatory image of a distant galaxy that is host to the telltale signature of a roaming supermassive black hole.
Black Hole Tidal Disruption Event
This is a video animation of a tidal disruption event (TDE), an intense flash of radiation caused by the supermassive black hole eating a star. The video begins by zooming into a galaxy located 600 million light-years away.
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Last Updated May 08, 2025 Editor Andrea Gianopoulos Location NASA Goddard Space Flight Center
Contact Media Claire Andreoli
NASA’s Goddard Space Flight Center
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Space Telescope Science Institute
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By NASA
NASA and the Sam Houston Area Council (SHAC) of Scouting America signed a collaborative Space Act Agreement on December 17, 2024, expanding youth access to programs and opportunities with the Johnson Space Center’s Office of STEM Engagement (OSTEM) in Houston.
The agreement forges the first formal partnership between NASA OSTEM and Scouting America. It will leverage NASA’s educational outreach programs to enrich scout activities and experiences while providing the agency with new opportunities to engage youth around its mission, vision, and goals.
NASA Acting Associate Administrator Vanessa Wyche (left), at the time serving as director of Johnson Space Center, and Sam Houston Area Council of Scouting America Executive Officer Marvin Smith sign a Space Act Agreement on Dec. 17, 2024. NASA/James Blair “Our ability to explore the unknown and innovate for the benefit of all humanity depends on a highly skilled and competitive STEM workforce,” said NASA Acting Associate Administrator Vanessa Wyche. “Together with SHAC, we can inspire future generations of explorers, scientists, and engineers to help us take the next giant leap toward exciting discoveries.”
The agreement has already enabled NASA and SHAC to collaborate on a new space-focused summer experience at Camp Strake, the council’s premier camping facility in Southeast Texas. During the weeklong program, scouts will participate in hands-on STEM activities created in partnership with NASA, tour Johnson Space Center, attend robotics and space exploration workshops, and get an in-depth look at NASA’s current projects. SHAC serves approximately 25,000 youth in 16 counties in Southeast Texas.
Wyche and Johnson leadership presented Smith and members of local scout troops with an American flag that flew aboard NASA’s SpaceX Crew-8 mission. NASA/James Blair “NASA and SHAC share common goals of growing youth interest in science, technology, engineering, and math careers, and providing access to programs and experiences that prepare them to enter the STEM workforce,” said Gamaliel Cherry, director of Johnson’s Office of STEM Engagement. “We are excited to connect more students to NASA’s mission, work, and people through this partnership.”
NASA OSTEM provides opportunities for the next generation of explorers to discover and hone the science, technology, engineering, and math skills needed for the agency’s bold exploration plans.
For the latest NASA STEM events, news, and activities for students at any grade level, visit:
https://stem.nasa.gov
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