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.

Two ESA spacecraft, Hera and Europa Clipper, are poised to fly through the long tail of interstellar comet 3I/ATLAS, a new ...

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

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 ...

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

When astronomers spotted a glowing object racing through the solar system earlier this year, some wondered if it could be an ...

Speculations have been circulating that an interstellar comet will reach its closest point to the Sun at a safe distance of ...

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

The newly discovered object 3I/ATLAS (officially designated C/2025 N1) has taken the astronomical community by surprise.

Astronomers confirmed the interstellar object 3I/ATLAS is approaching Earth, sparking public interest and comparisons to ...

The Minor Planet Centre has launched a campaign to study the interstellar object 3I/ATLAS (C/2025 N1), which is set to occur ...