Did CNN report the interstellar comet 3I/ATLAS has contacted Earth, as a viral social media post declared? No, that's not ...

A pair of once-in-a-lifetime comets will rocket through our skies this October. It's a rare treat, as they won't be back ...

Astronomer Gianluca Masi and his Virtual Telescope Project will host a special livestream on Oct. 24 beginning at 1:30 p.m.

A NASA-backed planetary defense group has reportedly begun efforts to pinpoint comet 3I/ATLAS after it was observed emitting ...

Harvard scientist Avi Loeb warns that 3I/ATLAS could be an extraterrestrial “Trojan horse” whose presence has major ...

A rare green comet known as C/2025 A6 (Lemmon) passes Earth for the first time in over 1,300 years, National Geographic said.

Two green comets are streaming close to earth. Here’s how skygazers can see this rare occurrence - Two bright green comets ...

A rare encounter of two comets this week will have stargazers in awe after nearly a year of no easily seen comets.

They sky is filled with celestial treats this month, including a close Earth-approach by two comets. Can you see in NJ?

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

This week's night sky will include a new comet that hasn't flown past Earth in over a thousand years -- and it won't be ...

The interstellar object 3I/ATLAS has gathered significant scientific attention, and soon it will reach its closest point to ...