The probe is set to become the third human-made object to leave the solar system, but it must first cross this mysterious ...

Eventually, we'll launch a mission dedicated solely to studying an interstellar object. When that day comes, which one should ...

"All these discoveries from pioneering missions like Voyager and New Horizons teach us how little we know about what lies ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Experts suspect this space rock is a piece of the lunar surface torn off by a meteor impact, so it could be a time capsule ...

"When TESS launched, no one expected it to ever be capable of finding this kind of planet." When you purchase through links ...

A siphonophore—a colonial marine invertebrate related to the venomous stinging Portuguese Man-o-war—is scanned using Deep ...

A tense congressional hearing turned heated as Rep. Nanette Barragán repeatedly pressed the NTIA Chief over alleged private conversations with President Donald Trump, accusing the official of refusing ...

Did the CIA's controversial MKUltra program target children in juvenile detention centers? During a recent congressional hearing, witnesses alleged that vulnerable minors were subjected to unethical ...

For decades, humanity has searched the universe for signs of alien life — but some scientists warn that finding it may come ...