Craters, craters, and yet more craters: this snapshot from ESA’s Mars Express is packed full of them, each as fascinating as the last.
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When NASA Administrator Jared Isaacman announced the revamped approach to the Artemis moon program, it was unclear whether the new mobile launcher that has been constructed over the last two
Astronomers using the MeerKAT radio telescope in South Africa have discovered the most distant hydroxyl megamaser ever detected. It is located in a violently merging galaxy more than 8 billion
A new study by researchers at the SETI Institute suggests that stellar “space weather” could make radio signals from extraterrestrial intelligence harder to detect. Stellar activity and plasma turbulence near
Here’s one less thing to worry about — or to look forward to: NASA has ruled out any chance that an asteroid called 2024 YR4 will hit the moon in
As a space scientist, every time I go outside with my family, I tell my children to look up at the sky. The front door of our home looks southeast,
Back in February 2025, a SpaceX rocket that had delivered 22 Starlink satellites to orbit had a malfunction. It failed to execute a planned deorbit burn and drifted for 18
A team of astrophysicists, cosmologists, and physicists has developed a novel way to compute the Hubble constant using gravitational waves. As our capability to observe gravitational waves improves in the
When people think of supernova explosions, they’re most-often thinking of Type II core-collapse supernovae, where a massive star becomes a red supergiant before collapsing on itself and exploding. New research
Just a few days in simulated microgravity can subtly change the way women’s blood clots, sparking bigger questions about health monitoring protocols for astronauts who can spend six months or
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