A few small rodents like rats and mice whistle like this, but horses are the first known large mammal to have a knack for it.

A viral Obama podcast answer about aliens prompted Trump to accuse him of revealing secrets and promise to release UFO files ...

Climbing into the back seat of a T 38 Talon sounds like a dream until the G forces hit. In seconds, the jet rockets upward, pushing past the speed of sound and slamming the body with forces strong ...

Scientists traced the mysterious global vibration back to a single, 650-foot wave violently trapped inside a remote waterway.

Rocket Lab will launch a hypersonic configuration of its Electron rocket on a hypersonic test from Wallops in Virginia. Here's what to know.

Bring up aliens and a lot of people will scoff. But not everyone is laughing. Around the turn of the century, 3.8 million ...

Trump has ordered the release of UFO files. The real question isn’t what they contain—it’s how the uncertainty could affect ...

NASA’s GNEISS rockets deliver a CT-like 3D look at Auroral electricity, revealing hidden currents that shape space weather ...