Astronaut Nichole Ayers recently witnessed a phenomenon known as a sprite from the International Space Station.

HOUSTON — The ISS astronauts had a front-row seat to a unique weather phenomenon Thursday morning. Astronaut Nichole "Vapor" ...

For nearly a century, pilots have reported seeing mysterious red flashes above thunderstorms, initially dismissed as myths.

Scientists have discovered that Earth is rotating slightly faster than usual, making our days shorter by a few milliseconds. While the change is minimal, it has significant implications for global ...