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 ...

The interstellar comet 3I/ATLAS is barreling toward its closest point to the sun as perihelion looms on Oct. 29. How different will it look when it reappears on the other side?

The interstellar object 3I/ATLAS has gathered significant scientific attention, and soon it will reach its closest point to ...

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

Multiple Mauna Kea observatories have been observing 3I/ATLAS, an interstellar comet. 3I/ATLAS originated from outside the ...

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

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

Telescopes around the world recorded new evidence about what the 3I/Atlas is and what scientists observed about it.

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

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

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