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.

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

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 ...

New images reveal the stunning reversal of the interstellar objects “anti-tail” and could be indicative of a “maneuvering” ...

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

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.

NASA and ESA say 3I/ATLAS poses no threat to Earth. We explain its nickel-heavy readings, IAWN’s training drill, and why the Harvard alien claim lacks proof.

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

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

An interstellar object called 3I/ATLAS has captured tremendous attention in the planetary science sphere, and soon it will ...

"We study cometary bodies because they act as time capsules, sealing in material from their formation billions of years ago." ...