Trillions of icy exocomets have been found orbiting alien stars, reshaping our understanding of planetary systems.

NASA’s Lucy mission will continue its journey to explore the Jupiter Trojan asteroids, which share Jupiter’s orbit around the ...

The case of mistaken identity was quickly resolved, but astronomers say it shows the need for transparency around craft in ...

What an amateur astronomer recently took to be a newly-discovered asteroid turned out to be a Tesla Roadster voyaging through ...

Comet ATLAS (C/2024 G3) came within 8.3 million miles of the sun on January 13 as it reached its perihelion, and is now disintegrating.

G3 (ATLAS) showed off its spectacular tail plumage to NASA spacecraft when it flew close to the sun this month.

Meeting of the American Astronomical Society, two teams of astronomers—centered at Penn State and MIT—independently announced new discoveries about an extreme form of planetary destruction: apparently ...

G3 has mesmerized astronomers and amateur skygazers for months as the world tried to spot the bright comet in the sky nearing its fatal encounter with the Sun.

Astronomer Dean Regas gives us the lowdown on the best things to look out for this winter, from a “planet parade” to the ...

Because the period of an object does not depend on its mass, comets’ orbital periods remain unchanged due to mass loss.

Comet ATLAS (C/2024 G3) came three times closer to the sun than Mercury on January 13—and this may have changed it ...