Astronomers have spotted something unusual in a comet passing through our Solar System. 3I/ATLAS, only the third confirmed interstellar visitor ever s.

Interstellar Comet 3I/ATLAS is the gift that keeps on giving. A snapshot of the space that lies beyond the solar system, it brings clues to other stars, other worlds and the galaxy we call home. Just ...

Astronomers using ALMA have found large quantities of methanol in comet 3I/ATLAS, making it one of the most alcohol-rich ...

The comet formed in a cold and distant part of the early Milky Way up to 12 billion years ago, putting it just under 2 ...

A newly discovered interstellar comet known as 3I/ATLAS is racing through our Solar System on a hyperbolic trajectory at more ...

Interstellar Comet 3I/ATLAS, the third known object to visit our solar system from another star, carries a chemical signature ...

I/ATLAS is still in our solar system, but now we have a photo that was taken four months ago. The JUICE probe took the image in November last year, but ESA received it only in February. This was ...

A visitor from another star system is creating excitement in the astronomy community. The comet 3I/ATLAS which was first spotted in July 2025 contains chemical clues that scientists can use to ...

Satellite views and space telescopes allow scientists to see amazing wonders, such as sand seas in the Namib Desert, "spiderweb" formations on Mars, and even distant nebulae. Sometimes, though, a ...

Asteroid 2026 EG1 was discovered on March 8, less than one week ago.

Elisha Sauers writes about space for Mashable, taking deep dives into NASA's moon and Mars missions, chatting up astronauts ...