It’s tough sometimes, living with a tempestuous star. Modern human civilization and technology lives at the whim of the Sun, as it sends solar storms and punishing coronal mass ejections
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Asteroids are critical to unlock our understanding of the early solar system. These chunks of rock and dust were around at the very beginning, and they haven’t been as modified
Craters, craters, and yet more craters: this snapshot from ESA’s Mars Express is packed full of them, each as fascinating as the last.
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
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