Interstellar comet 3I/ATLAS is the focus of the eighth official UN and IAWN planetary-defence exercise, running from November ...
A clear look at the discovery of 40,000 near-Earth asteroids, how scientists track them, and the missions working to keep our ...
Starlust on MSN
Unknown asteroid flew past Earth closer than a satellite—and we didn't spot it until hours later
Astronomers were slow at spotting a small giraffe-sized asteroid that zoomed past our planet on Tuesday, September 30, 2025, ...
Morning Overview on MSN
NASA says a lunar impact by this asteroid is unavoidable without action
Asteroid 2024 YR4 will not hit Earth, but it has forced planetary defense experts to confront a different kind of worst case: ...
This year, the internet has taken great interest in 3I/ATLAS — only the third interstellar object ever detected, though also the third since 2017. (The overwhelming scientific consensus suggests ...
The official UN/IAWN document confirms the interstellar comet 3I/ATLAS is the target of a formal planetary-defence exercise.
The unusual comet—which is to pass Earth again in the coming weeks—is only the third known object to visit us from outside ...
NASA released images of an interstellar comet flying past Mars, and scientists expressed doubt about the possibility that it ...
The asteroid, known as 2022 RD2, belongs to a rare class of space rocks called Arjunas. These objects travel around the sun ...
Boulder Daily Camera on MSN
Flashes on the moon: CU Boulder experts explain asteroid strikes and why they matter
“Impact flashes on the moon are very common,” University of Colorado Boulder astrophysical and planetary sciences professor Paul Hayne said. “In fact, they happen more or less every night, and it’s a ...
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