The views of the setting sun are just as spectacular from space as they are on Earth.

Deneb, Vega and Altair are among the brightest stars in the night sky.

A record-breaking study into a giant sunspot that triggered Earth's biggest geomagnetic storm in more than two decades has revealed surprising new details about the explosive dark patch. The monster ...

For residents of Utqiagvik (formerly Barrow), Alaska, living in natural darkness is a part of their lives.We are talking about the northernmost city in the United States where the Sun has officially ...