Just months after 9/11, strange messages started appearing across U.S. military computers: “Your security system is crap.” ...

Long before modern space exploration, scientists proposed astonishing ways to contact extraterrestrials—from giant burning ...

From insects to the moon, people have mistaken very Earthly phenomena for UFOs many times.

Take a drive to the CIA’s Area 51 – a route with more UFO sightings and unexplained mysteries than anywhere else on Earth ...

When the U.S. was born, humanity was still seven years away from balloon-borne flight. Where might we be another 250 years ...

In fact, there are so many good shows to choose from that it can be tough to figure out what to watch first. I've curated a ...

NASA Administrator Jared Isaacman has framed the current moment in stark terms: “We are in a new space race to the lunar ...

NASA works with scientists worldwide to advance our understanding of what hazards are in our solar system and how we can mitigate the risks.

Moon bases, living to 100 and (finally!) flying cars. What 2076 and our future will look like may be stranger than we expect.

Valiant Comics might not have the same level of popularity as Marvel and DC, but its characters are very powerful.

The Steam Summer Sale is live and runs till July 9. If you've been putting off building your backlog because your wallet said no, this is the week to ignore it. Thousands of games are discounted, and ...