Our Solar System has an interstellar visitor - and it's turning more than just comet-watchers' heads. A strange comet called 3I/ATLAS is now only the third confirmed interstellar object to visit our ...

The interstellar object 3I/ATLAS is forcing scientists to rethink our understanding of comet formation. Unlike typical comets in the Solar System, its coma—its cloud of gas and dust—is unusually ...

Scientific research has strengthened theories that the ingredients for life could have been brought to Earth by comets.

Add Yahoo as a preferred source to see more of our stories on Google. Interstellar comet 3I/ATLAS carries deuterium-rich water, pointing to a far colder birthplace than our solar system. (CREDIT: ...

Astronomers have spotted something unusual in a comet passing through our Solar System. 3I/ATLAS, only the third confirmed interstellar visitor ever seen, appears to be stuffed with methanol, an ...

Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

It's the most extraordinary cosmic present any astronomer could wish for. Just six days before Christmas, an ancient traveller that has been careening through the interstellar medium of the Milky Way ...

Analysis of the second confirmed interstellar comet to visit our solar system suggests that the alien body could be covered in erupting icy, volcano-like structures called cryovolcanoes. Researchers ...

A Ukrainian amateur astronomer combing through SOHO images near the Sun spotted comet C/2025 R2 inside the solar glare, ...

A flying piece of cosmic rock or an alien threat? Comet 3I/ATLAS is hurtling through our solar system and captivating scientists and internet users alike, even prompting Kim Kardashian to ask NASA for ...

The water coming off comet 3I/ATLAS is not just unusual. It is extreme. Astronomers studying the interstellar comet found that its water is packed with an unusually heavy form of hydrogen called ...

Our Solar System has an interstellar visitor – and it’s turning more than just comet-watchers’ heads. A strange comet called 3I/ATLAS is now only the third confirmed interstellar object to visit our ...