State-of-the-art drone-hunting technology being used on the battlefield in Ukraine could soon be deployed to crack the mystery behind a spate of unmanned flying objects purportedly spotted in the ...

As a NASA science flight was flying over the Greenland ice sheet this spring, a surprise popped up on a specialty radar: a hidden Cold War city more than 100 feet beneath the ice. In April 2024, a ...

During an April 2024 survey flight over Greenland, NASA researchers captured radar images showing structures buried deep under the ice — geometric shapes far too precise to be natural. What they ...

China has built 350 new missile silos and expanded nuclear warheads by 20% in one year, reaching "war footing," according to ...