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 ...

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 ...

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 ...