In November, SETI Institute researchers contributed expert perspective to media stories on interstellar comet 3I/ATLAS and ...

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...

The unidentified flying object 3I/ATLAS has 'two jets' coming off its rear which Harvard astrophysicist Avi Loeb claims 'needs to be explained' in his latest post ...

NASA has confirmed that 31/ATLAS is a comet and not an alien spacecraft, as some had believed. But it did lead one scientist ...

The interstellar comet 3I/ATLAS is just days away from coming as close to Earth as it will ever get. Here's how you can track it and spot it.

A comet that is likely much, much older than our solar system has spent months traipsing through Earth's cosmic neighborhood. And at long last, NASA has unveiled an unprecedented look at the object, ...