Tune in today (Jan. 16) to bid farewell to interstellar comet 3I/ATLAS, courtesy of a livestream from the Virtual Telescope ...

Dark nebulas are notoriously challenging to capture because they emit little to no light of their own. Meyer imaged LDN 1245 ...

Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a ...

The interstellar comet 3I/ATLAS arrived looking like a routine icy visitor and then promptly started shredding the rulebook ...

Harvard astrophysicist Avi Loeb warns 3I/ATLAS, tagged a comet by NASA, may be a rare 'Black Swan' or Trojan Horse, urging ...

When astronomers first spotted a faint, fast-moving object racing through the outer Solar System in mid-2025, few expected it ...

Astronomers found an interstellar "tunnel" - a cosmic channel that connects our solar system to distant stars, according to a ...

CAPE CANAVERAL, Fla. (AP) — A stray comet from another star swings past Earth this week in one last hurrah before racing back toward interstellar space. Discovered over the summer, the comet known as ...

Nearly all stars are found inside or around galaxies, but there are ways for stars to escape into intergalactic space.

Interstellar comet 3I-ATLAS is a rare cosmic visitor that may be older than our Sun, offering scientists a unique glimpse ...

Avi Loeb's new study of 3I/ATLAS reveals a 7.1-hour rotation and a bizarre solar alignment, raising questions about the ...

NASA on Wednesday released new images and data of Comet 3I/ATLAS, the rare interstellar object that set off weeks of speculation — and a full-blown online debate — over whether it could be an alien ...