Allies that depend on U.S. military equipment need a Plan B. Although the United States has been the world’s preeminent ...

U.S. Air Force deploys new counterdrone and laser defense systems across Europe to defend bases against increasingly sophisticated drone threats.

These cosmic giants might one day propel our spacecraft, process unimaginable amounts of data, and even reveal advanced ...

The US Army has debuted the “Hammer of the Gods” — a cutting-edge new weapon-disrupting system designed to trick ...

The Curiosity rover captured an object on the Red Planet resembling rocket fragments. This was reported by the Daily Mail, ...

First Annie Jacobsen laid out a fictional scenario for nuclear war. Now her new book, Biological War: A scenario, imagines a ...

If super-advanced alien civilizations exist, they would surely require insane amounts of energy to run. Now, international ...

NASA’s Curiosity rover has once again found itself at the center of an extraordinary alien theory after a resurfaced image ...

NASA Curiosity rover photo of a wind-carved Martian rock sparked alien missile claims - here's what the geology actually shows.

Weapons that select and engage targets without a human pulling the trigger are no longer hypothetical, and the legal ...

Searching for extraterrestrial intelligence has so far primarily meant focusing on one particular type of signal—and that ...

AI companies play a cat-and-mouse game, trying to boost the capabilities of their creations while scrambling to block answers ...