Comet Lemmon (C/2025 A4) will make its closest approach to Earth on November 8th, and is currently visible to the naked eye ...

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

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

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 ...

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

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

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

New images reveal the Manhattan-sized interstellar object 3I/ATLAS has developed a tail, hinting at possible alien 'maneuvering', according to a Harvard scientist.

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

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

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

NASA and ESA say 3I/ATLAS poses no threat to Earth. We explain its nickel-heavy readings, IAWN’s training drill, and why the Harvard alien claim lacks proof.