As it crossed our Solar System, the interstellar object 3I/ATLAS released up to the equivalent of 70 Olympic swimming pools ...

Scientists studying the interstellar object ‘Oumuamua have proposed that it may be a fragment from a Pluto-like planet beyond ...

Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar system. But it may not be around much longer. The otherworldly visitor to ...

We already knew interstellar comet 3I/ATLAS came from somewhere far beyond our solar system. Now scientists have more information on how alien that somewhere really is - a corner of the universe ...

Discovered in 2017 by Pan-STARRS atop Halealakalā on Maui, ʻOumuamua was the first confirmed interstellar visitor. Its ...

A mysterious comet from beyond our solar system is giving astronomers a rare glimpse into alien worlds — and it may have ...

"We all would have been thrilled to find technosignatures coming from 3I/ATLAS, but they're just not there." When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

Long before 3I/ATLAS slipped through the inner solar system, its water had already recorded the kind of place it came from.

The response came after John Greenewald Jr., an American researcher and ufologist, requested any CIA "assessments, reports, or communications" referencing the interstellar object, only the third of ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...