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

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

On 29 October 2025, 3I/ATLAS will reach its closest distance to the sun. Should we worry? Here's what experts say.

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

The unusual trajectory of interstellar comet 3I/ATLAS has sparked speculation that it could be an alien spacecraft.

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

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.

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest ...

A rare interstellar comet, 3I/ATLAS, is approaching its closest point to the Sun on October 30. Scientists are excited to ...

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

Astronomers just caught a rare glimpse of an interstellar comet as it zoomed past Mars. Images of the object, dubbed 3I/ATLAS ...

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