Project Hail Mary, Solaris, and The Hitchhiker's Guide to the Galaxy are all among the very best sci-fi books set in space.

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

With new technologies come new opportunities. And that is especially true in astronomy—with every new advanced telescope, we ...

How a 22-pound stainless steel orb turned up in the ashes of a Florida brush fire, led to a bizarre military investigation, ...

NASA's new alien-hunting telescope, the Habitable Worlds Observatory (HWO), will be serviceable out in space (and it will ...

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...

Somewhere in the Mojave Desert, a gleaming white dome sits in the middle of nowhere, and the story behind it is stranger than ...

During a robotic exploration of the the ocean’s abyssopelagic zone, scientists discovered never-before-seen, jet-black eggs ...

A new SETI study argues that turbulent space weather around distant stars can smear out ultra‑narrow alien radio signals, ...

Astronomers suggest that space weather could distort alien signals, making them undetectable. This challenges traditional ...

This year's Steam Summer Sale runs until July 9th. I rounded up a bunch of games I adore, all discounted by at least 50% and ...