NASA's silence on interstellar comet 3I/ATLAS has sparked online theories after scientists observed bizarre tail shifts and ...

The interstellar comet 3I/ATLAS is on a trajectory that could soon lead to a fascinating encounter with NASA’s Jupiter probe.

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

Interstellar object 3I/ATLAS is fueling debate after its unusual behaviour prompted the International Asteroid Warning ...

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.

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

The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously ...

It's a weekend double cosmic treat! Comets Lemmon and SWAN are making a close approach to Earth. Can you see it in NJ? Timing ...

A cosmic coincidence could give us an unprecedented look at a visitor from another solar system. If all goes well.

This long-duration comet will make its closest approach to Earth this fall, before disappearing into the outer solar system ...

Analyses of its emissions using NASA’s Neil Gehrels Swift Observatory indicate that the interstellar comet probably has a ...

NASA's Perseverance Mars rover may have captured an image of interstellar comet 3I/ATLAS streaking across the sky above the ...