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Largest Asteroid May Be 'Mini Planet' with Water Ice
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By European Space Agency
Asteroid 2024 YR4 made headlines earlier this year when its probability of impacting Earth in 2032 rose as high as 3%. While an Earth impact has now been ruled out, the asteroid’s story continues.
The final glimpse of the asteroid as it faded out of view of humankind’s most powerful telescopes left it with a 4% chance of colliding with the Moon on 22 December 2032.
The likelihood of a lunar impact will now remain stable until the asteroid returns to view in mid-2028. In this FAQ, find out why we are left with this lingering uncertainty and how ESA's planned NEOMIR space telescope will help us avoid similar situations in the future.
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By NASA
Explore This SectionScience Europa Clipper Buoyant Rover for Under Ice… Europa Clipper Home MissionOverview Facts History Timeline ScienceGoals Team SpacecraftMeet Europa Clipper Instruments Assembly Vault Plate Message in a Bottle NewsNews & Features Blog Newsroom Replay the Launch MultimediaFeatured Multimedia Resources About EuropaWhy Europa? Europa Up Close Ingredients for Life Evidence for an Ocean To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video
Researchers at NASA’s Jet Propulsion Laboratory are developing the Buoyant Rover for Under-Ice Exploration, a technology that could one day explore oceans under the ice layers of planetary bodies. The prototype was tested in arctic lakes near Barrow, Alaska. Researchers at NASA’s Jet Propulsion Laboratory are developing the Buoyant Rover for Under-Ice Exploration, a technology that could one day explore oceans under the ice layers of planetary bodies. The prototype was tested in arctic lakes near Barrow, Alaska.
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By European Space Agency
Astronomers using the NASA/ESA/CSA James Webb Space Telescope have captured compelling evidence of a planet with a mass similar to Saturn orbiting the young nearby star TWA 7.
If confirmed, this would represent Webb’s first direct image discovery of a planet, and the lightest planet ever seen with this technique.
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By European Space Agency
Video: 02:08:03 ESA’s Living Planet Symposium, one of the world’s leading Earth observation conferences, opened today in Vienna. The plenary session began at 10:30 CEST and included addresses from ESA Director General Josef Aschbacher and ESA Director of Earth Observation Programmes Simonetta Cheli, as well as Margit Mischkulnig, from the Austrian Federal Ministry for Innovation.
There were video addresses from President of Austria, Alexander van der Bellen, Federal Minister for Innovation, Mobility and Infrastructure Republic of Austria Peter Hanke and the EU Commissioner for Defence and Space Andrius Kubilius. Representatives of the United Nations Office for Outer Space Affairs, ECMWF, IPCC, Eumetsat, Nordic Bildung and ETH Zurich also spoke during the opening session.
The first images from Biomass, ESA’s forest mission, launched earlier this year, were also presented during the opening plenary.
More than 6500 participants from almost 120 countries signed up to attend the event. With more than 4200 scientific presentations and posters, the symposium provides a forum and meeting point for scientists, academics and space industry representatives, as well as students and citizens.
The Living Planet Symposium takes place every three years and this year the focus is ‘from observation to climate action and sustainability for Earth’. Held in the Austrian capital over five days from today to 27 June, participants can take part in discussions on how we can work together in the fields of Earth science and with the Earth observation industry to ensure robust data and promote effective climate action to address the environmental crisis, with presentations also on new trends in Earth observation.
Watch more videos from the Living Planet Symposium 2025.
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By USH
Evidence points to the existence of a massive planet once located between Mars and Jupiter, known to some as Maldek. This ancient world is believed to have had a large moon, complete with oceans, an atmosphere, and possibly even life, orbiting it for millions of years.
Maldek is thought to have once been home to a highly advanced humanoid civilization before meeting a cataclysmic end, likely the result of either internal collapse, through nuclear war, technological abuse, or spiritual decline, or an external force, whether natural or engineered. Its destruction scattered debris across the solar system, forming what we now know as the asteroid belt.
As for its large moon, it was cast adrift and eventually settled into a new orbit around the Sun. Today, we know that moon as Mars.
This theory sheds light on several of Mars’ mysteries: the stark contrast between its two hemispheres, the presence of tidal bulges typically seen in moons, and the unusual nuclear isotopes in its soil, matching those produced by atomic explosions.
For decades, government scientists have suppressed this information. But the truth remains, etched into planetary scars, buried beneath ancient monuments, and encoded in the mathematical patterns of our solar system’s violent past.
Additional: According to some alternative theories, a remnant of Maldek’s civilization escaped the planet’s cataclysmic destruction, seeking refuge on Mars, a world that once pulsed with life and bore a striking resemblance to Earth. For a time, they thrived. But Mars, too, would not remain untouched. Whether through the slow unraveling of its atmosphere or the lingering shadows of interplanetary war, Mars fell into decline. And so, the survivors journeyed again, this time to Earth. Shrouded in mystery, their presence may have shaped early human consciousness, remembered through the ages as ancient gods or sky beings.
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