New images reveal the Manhattan-sized interstellar object 3I/ATLAS has started to sport a tail, indicating that it could ...

New telescope images show that the interstellar comet 3I/ATLAS is shooting a giant jet of gas and dust toward the sun. This ...

The most explosive theory comes from Harvard astrophysicist Avi Loeb, who suggests 3I/ATLAS may not be a natural object at ...

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.

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

A UN-endorsed group focused on planetary defense has locked onto 3I/ATLAS as the mysterious interstellar visitor fuels alien ...

Scientists have confirmed that 3I/ATLAS is only the third interstellar object ever detected passing through our Solar System.

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

I/ATLAS puts the Planetary Defense Network on watch. NASA and ESA say no threat as IAWN drills tracking, while Harvard’s Avi Loeb raises an alien-origin idea.

"If the object is an alien spacecraft slowing down, and the anti-tail is braking thrust, then this change from anti-tail to ...