Add Yahoo as a preferred source to see more of our stories on Google. Artist's impression of 'Oumuamua, the first known interstellar object detected passing through our solar system in 2017.

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NASA on Wednesday released new images and data of Comet 3I/ATLAS, the rare interstellar object that set off weeks of speculation — and a full-blown online debate — over whether it could be an alien ...

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, ...

There are things the NASA chief has "come across in the job that he can’t explain," but aliens are not among them.

Does NASA have files on aliens? Jared Isaacman says no, and tells Ross Douthat on “Interesting Times” that extraterrestrials would pick a more exciting locale to visit than America’s naval bases.

If aliens are out there, why haven’t we heard from them? That’s the question at the center of Pop Mech’s new story, “Aliens Probably Exist—But They’re Staying Silent For a Reason, NASA Scientist ...

A spokesperson for NASA has issued a public statement following President Donald Trump’s announcement that he will direct his administration to release government files related to aliens and ...

NASA insists that 3I/ATLAS is a comet that is traveling faster than any other object in the solar system. 3I/ATLAS, an interstellar object, was observed by NASA in July 2025. Some scientists, like Avi ...

Scientists, writers and conspiracy theorists alike have all offered ideas, but a new explanation from NASA might just be the most down-to-earth one yet. Dr Robin Corbet, an astrophysicist at NASA’s ...