Scientists say that 3I/ATLAS has likely been traveling through interstellar space for a long time. Based on how fast it was ...

NASA says interstellar object 3I/ATLAS looks like a comet, but odd behaviour has sparked debate among scientists who believe ...

Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.

The objects could be rocky fragments, structures formed during interstellar travel, or something entirely different.

It must be stressed that Comet 3I/ATLAS poses absolutely no threat to Earth and will remain far away. On its closest approach ...

With the interstellar visitor headed for its closest approach to our home planet, NASA has advised people on how to best ...

To catch the Geminids peak, look to the eastern sky all evening on Dec. 13 and Dec. 14. The meteors will appear near the ...

NASA calls 3I/ATLAS a comet, but Avi Loeb cites anomalies—retrograde orbit, size, jets, even a 'heartbeat'—arguing it may be ...

While the comet is not scheduled to make its closest approach to Earth until Friday, December 19th, the Martian flotilla has ...

NASA shares new data on interstellar comet 3I/ATLAS, including HiRISE, Hubble, Webb & MAVEN observations, comet behavior and ...

Comet 3I/ATLAS was first spotted by telescopes in July. Ever since then, it has stirred a furor of excitement and mystery ...