NASA has responded to President Donald Trump's latest talk of unidentified flying objects (UFOs) and unidentified aerial phenomena (UAPs). UFO enthusiasts have waited decades for presidents of the USA ...

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A spokesperson issued a statement Friday after Trump said his team would start “identifying and releasing” government files.

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.

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, ...

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.

In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...

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 ...

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 ...

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 ...