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.

In a breakthrough that sounds ripped straight from a Ridley Scott flick, researchers in Germany have managed to freeze brain ...

Astronomers have spotted a planet orbiting a star in our neighborhood of the Milky Way galaxy that presents a unique ...

The results, published in February in the journal Monthly Notices of the Royal Astronomical Society, show that under these ...

Research scientists are saying that recycled human waste could help grow crops on the Moon and Mars, representing a ...

Astronomers say a distant, sunlike star shows signs of a catastrophic planet-on-planet crash that may mirror the ancient impact that formed Earth's moon.

A US Senate committee has directed NASA to begin work on a moon base "as soon as is practicable." Under legislation advanced ...