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Riccardo Giacconi, Visionary Director of the Space Telescope Science Institute
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By NASA
NASA; JAXA (Japan Aerospace Exploration Agency)/Takuya Onishi In this May 23, 2025, image, NASA astronaut Jonny Kim works inside the SpaceX Dragon cargo spacecraft completing cargo operations before it undocked from the International Space Station’s Harmony module several hours later. Kim launched to the International Space Station on April 8, 2025; this is his first mission.
See what Kim and other space station crew do aboard the orbital lab.
Image credit: NASA; JAXA (Japan Aerospace Exploration Agency)/Takuya Onishi
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By USH
NASA astronaut Nichole Ayers captured a stunning image of a rare red lightning phenomenon known as a “sprite” from the International Space Station on July 3. The jellyfish-shaped electrical burst was seen rising above a massive thunderstorm over Mexico and the southern U.S., including parts of California and Texas.
Sprites are large-scale electrical discharges that occur high in the mesosphere, triggered by positive lightning strikes.
Part of a group of upper-atmosphere events called Transient Luminous Events (TLEs), sprites are still not fully understood, despite decades of research.View the full article
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By NASA
Former Johnson Director Jefferson Howell July 3, 2025
Jefferson Davis Howell, Jr., former director of NASA’s Johnson Space Center in Houston, died July 2, in Bee Cave, Texas. He was 85 years old.
Howell was a champion of the construction of the International Space Station, working on a deadline to complete the orbiting lab by 2004. He oversaw four space shuttle crews delivering equipment and hardware to reach that goal. He also served as director during a pivotal moment for the agency: the loss of STS-107 and the crew of space shuttle Columbia. He made it his personal responsibility to meet with the families, look after them, and attend memorial services, all while keeping the families informed of the accident investigation as it unfolded.
“Gen. Howell led NASA Johnson through one of the most difficult chapters in our history, following the loss of Columbia and her crew,” said acting associate administrator Vanessa Wyche. “He brought strength and steady direction, guiding the workforce with clarity and compassion. He cared deeply for the people behind the mission and shared his leadership skills generously with the team. We extend our heartfelt condolences to his family and all who knew and loved him.”
At the time of his selection as director, he was serving as senior vice president with Science Applications International Corporation (SAIC) as the program manager for the safety, reliability, and quality assurance contract at Johnson. Following the accident, he made it his mission to improve the relationship between the civil servant and contractor workforce. He left his position and the agency, in October 2005, shortly after the Return-to-Flight mission of STS-114.
“General Howell stepped into leadership at Johnson during a pivotal time, as the International Space Station was just beginning to take shape. He led and supported NASA’s successes not only in space but here on the ground — helping to strengthen the center’s culture and offering guidance through both triumph and tragedy,” said Steve Koerner, Johnson Space Center’s acting director. “On behalf of NASA’s Johnson Space Center, we offer our deepest sympathies to his family, friends, and all those who had the privilege of working alongside him. The impact of his legacy will continue to shape Johnson for decades to come.”
The Victoria, Texas, native was a retired lieutenant general in the U.S. Marine Corps with a decorated military career prior to his service at NASA. He flew more than 300 combat missions in Vietnam and Thailand.
Howell is survived by his wife Janel and two children. A tree dedication will be held at NASA Johnson’s memorial grove in the coming year.
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Chelsey Ballarte
Johnson Space Center, Houston
281-483-5111
chelsey.n.ballarte@nasa.gov
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