Asteroid 2024 YR4, once the highest impact risk ever recorded, now poses no threat to Earth but has a slightly increased chance of striking the moon in 2032.
The four astronauts of Axiom Mission 4 pose together amid a dry dress rehearsal of launch day activities. Left to right: Mission Specialist Tibor Kapu, Pilot Shubhanshu Shukla, Commander Peggy Whitson, Mission Specialists Sławosz Uznański-Wiśniewski. Image: SpaceX
Update June 9, 7 p.m. EDT: Added comments from SpaceX on the readiness of the Falcon 9 rocket and the latest launch weather outlook
Mizar, a star in the Big Dipper's handle, has a tiny companion. This star, Alcor, was known to the ancients. The pair was popularly known as the "Horse and Rider."
Bungie's next game is a return to the Marathon universe, but it's not what fans of the series were expecting. Here's everything we know so far.
SpaceX launched 26 Starlink satellites to orbit from California on Sunday (June 8), on the 70th mission of 2025 for the company's Falcon 9 rocket.
In this series we are exploring NASA's top five challenges as detailed in its Civil Space Shortfall Ranking, which is basically NASA's Christmas wish list. These are the technologies that NASA believes we need to develop if we want to go to space…and stay there.
A new batch of 15 Giant Radio Galaxies, the largest of which is 12.4 light-years wide, could help reveal how black holes and galactic mergers help the universe's largest single objects grow so large.
NASA's 2001 Mars Odyssey orbiter captures one of the Red Planet's biggest volcanoes peeking over clouds at dawn.
In May 2025, President Donald Trump announced a plan to build a missile defense system, called the Golden Dome. How exactly does it work?
Unfortunately, any work you do in the universe will have to be done the old-fashioned way.
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ESA project astronaut Sławosz Uznański-Wiśniewski is heading to the International Space Station on his first mission as part of Axiom Mission 4 (Ax-4). He is the second ESA project astronaut from a new generation of Europeans to fly on a commercial human spaceflight mission with Axiom Space.
SpaceX will launch four astronauts to the ISS on the private Ax-4 mission Wednesday morning (June 11), and you can watch the action live.
"I don't think it is an overstatement to say that morale among U.S.-based scientists is at an all-time low."
In this series we are exploring NASA's top five challenges as detailed in its Civil Space Shortfall Ranking, which is basically NASA's Christmas wish list. These are the technologies that NASA believes we need to develop if we want to go to space…and stay there.
In this series we're exploring NASA's top five challenges as detailed in its Civil Space Shortfall Ranking, which is basically NASA's Christmas wish list. These are the technologies that NASA believes we need to develop if we want to go to space…and stay there.
Preparations for the arrival of a visiting crew, the continued study of how humans adapt to microgravity and more highlight the sixth week of Expedition 73 on the International Space Station.
Antares is a red supergiant star located 400 light-years from Earth.
China has revealed the first image from its Tianwen 2 asteroid sample return mission, which is now more than 3 million kilometers (1.9 million miles) from Earth.
"I've had a number of NASA personnel come up and think that the one that was theirs was ours, and they're shocked."
If it's realism you're looking for, the Sega Toys Homestar Classic is the gold standard of star projectors.
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