Short-period comets get close to the sun much more often than their long-period kin, and every time they do, they deplete ...

Brooks, which visits the Earth roughly every 71 years, was spotted releasing intriguing radio signals last year.

Telescopes around the world recorded new evidence about what the 3I/Atlas is and what scientists observed about it.

It will be a while before you can see it for yourself, however. Halley’s comet was last visible from Earth in 1986, meaning ...

Astronomers are watching a new comet pass through our solar system with great interest. Based on its glow, the 33-billion-ton ...

Comet C/2025 A6 (Lemmon) is this year’s brightest comet visible from Earth—an icy relic from the solar system’s origins that ...

Comet 3I/ATLAS is warming up as it approaches the sun, causing a jet to emerge. The jet is visible in a dramatic new image.

Interstellar comet 3I/ATLAS is just the third such object ever confirmed to have entered our solar system. It has attracted ...

While the comet poses no threat to the Earth, its uniquely positioned trajectory and origin have caught the attention of ...

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest ...