There is a category of planet that belongs to no star. It was thrown clear of its solar system early in the chaos of ...

By snatching chloroplasts from algae, animals called sacoglossans produce their own energy through photosynthesis ...

Sending AI data centers into space sounds futuristic, but Nvidia's CEO says a few practical obstacles still make that idea hard to justify today.

Some of the best science fiction TV shows ever premiered in the 1990s, and they are still worth watching today.

Scientists are turning human waste into fertiliser for Moon and Mars farming, transforming toxic space dust into soil, but ...

Conceptual design milestone achieved for advanced, proprietary HALEU transport package supporting next-generation nuclear ...

Retired Air Force Maj. Gen. William Neil McCasland, who once commanded a base long associated with UFO lore, has been missing for nearly two weeks.

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 ...

A Silver Alert has been issued for William “Neil” McCasland, a retired Air Force major general who once had top-secret access ...

Do little green men exist? Was 'Men In Black' a documentary? Prediction markets are pricing the probability of a U.S. government confirmation of alien life before the year 2027. Find out why traders ...

Astronomers have spent decades hunting for life where it seemed to make sense: on Earth-like planets orbiting Sun-like stars ...