With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

Harvard's Avi Loeb argues 3I/ATLAS shows signs of alien technology, from its 0.2% probability flight path to bizarre metal ...

When an interstellar visitor slices through the solar system, astronomers usually have to make do with a fleeting, side-on ...

NASA reveals high-resolution images of interstellar comet 3I/ATLAS after the US shutdown. Is it alien tech? Associate ...

Scientists have discovered 26 previously unknown bacterial species living inside NASA’s ultra-sterile spacecraft assembly ...

But 3I/ATLAS is no ordinary rock – it’s a comet from beyond the solar system which greeted the Earth on December 19. It’s ...

Harvard's Avi Loeb warns interstellar comet 3I/ATLAS could be alien tech. Experts weigh in on planetary defence and the risks ...

Europa has a vast, saltwater ocean beneath its icy shell, with more than twice the amount of water in all of Earth’s oceans ...

In the many decades of NASA exploration, there has only been one detection that got on that scale. It was collected by the ...

They're some of the most sterile places on Earth - but scientists have discovered dozens of new bacterial species inside NASA ...

Why is ‘Mars’ trending on Google Trends today, December 25? Yes, the planet is all that everything is talking about– what ...

NEW YORK (AP) — The year’s first supermoon and meteor shower will sync up in January skies, but the light from one may dim ...