The fictional biologist in ‘Project Hail Mary’ claims that potential alien organisms might not be made of carbon or require water, unlike life on Earth.

Like the lead character of “Project Hail Mary,” some scientists are proposing ways that life might exist beyond a star’s ...

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern anxieties than the past itself?

Debunking alien claims matters, but so does telling richer, more compelling stories about how humans shaped their own past.

"Just because it’s crazy doesn’t mean it’s not true, but we have to look into the realities," law enforcement told reporters.

SCIENTISTS have uncovered an absolute stinker 34 light-years from Earth. A newly discovered planet, called L 98-59 d, is among the stinkiest ever with a strong rank stench worse than rotten egg ...

An alien-themed "micro resort" just minutes from Utah's Zion National Park has landed back on the market with a $1.49 million price tag. The commercially zoned compound, which was originally listed ...

Wright-Patterson has played a central role in the US military’s real investigations into mysterious objects in the sky — from Cold War-era research programs to efforts to study what the government now ...

SETI has spent decades listening for a sharp, well-defined radio signal that could indicate it was sent by distant intelligent life. Now researchers believe that space weather could distort and blur s ...

In 2017 astronomers detected an unusual object entering our Solar System from interstellar space. Named ‘Oumuamua, it displayed strange behavior that puzzled scientists: a long cigar-like shape, ...

In October 2017, astronomers detected Oumuamua, the first known interstellar object to enter our solar system. As it passed the Sun, it showed a small but measurable acceleration — about 17 meters per ...

Is the US government about to confirm that aliens are real? That’s the claim floating around among those who believe in prediction markets as reliable soothsayers of the future, a promise that ...