Washington — Members of Congress heard stunning testimony during a hearing July 27 with a former intelligence officer-turned-whistleblower and two pilots about their experiences with strange, ...

The F-22 Raptor takes part in a NATO Air Shielding exercise at the 32nd Air Tactical Base on Oct. 12, 2022 in Lask, Poland. In the first two weeks of February, the U.S. Air Force has shot down four ...

A high schooler, Matteo Paz, won $250,000 for discovering 1.5 million new space objects with AI. Paz built an AI algorithm to search data from a NASA space telescope for objects such as black holes.

Scientists using a global array of radio telescopes have detected the universe’s lowest-mass dark object by observing how it warped light through gravitational lensing. The invisible mass, about a ...

There are many theories but precious few answers after the U.S. downed three unidentified airborne objects in as many days over the weekend. Subscribe to read this story ad-free Get unlimited access ...

This cosmic visitor is now officially named 3I/ATLAS, and it appears to be a comet from another solar system. Reading time 3 minutes Update: July 3, 09:24 a.m. ET: On Wednesday, July 2, the ...