Harvard astrophysicist Avi Loeb's speculative claim that 3I/ATLAS could be an alien AI probe ignites scientific debate, NASA ...

Bodies have passed through our solar system three times in recent years. The most recent, comet 3I/ATLAS, which is now moving ...

Watch the final livestream of interstellar comet 3I/ATLAS on Jan. 22. Discover viewing details and why scientists debunked ...

In an effort to bring together the domains of gravity and quantum theory, Albert Einstein and Nathan Rosen proposed a ...

NASA spots a rare, glowing gourd-like structure racing at one million mph—then watches it transform in the blink of an eye ...

NASA's giant Artemis Two rocket is now on the launch pad at Cape Canaveral. The 322-foot rocket was rolled out to Launch Pad ...

For the 15th consecutive year, NASA received an unmodified, or “clean,” opinion from an external auditor on its fiscal year ...