Our planet’s magnetosphere has seen dramatic shifts across its history—even total reversals—but this recent wrinkle doesn’t ...

UC Davis engineers have invented a Stirling engine that captures Earth’s escaping heat to generate power from the night sky.

How sounds from humanity were transmitted into outer space as a message.

Why is NASA so worried about space microbes? How much damage could an extra-terrestrial microorganism do here on Earth? And ...

China routinely sends astronauts to and from its space station Tiangong. A crew capsule is about to undock from the station ...

Junk is accumulating in space at a fantastic pace, with millions of pieces orbiting the Earth, and humans need to figure out ...

The Earth's tail is known as the "magnetotail". Though it is generally a permanent feature, it is at the whims of the solar ...

Every year, we shoot several thousand satellites and other objects out into space. When satellites die, they become space ...

One of the most elegant theories about the origins of life on our planet is that it was kick-started by a delivery from outer ...

Dan Falk: Space junk broadly refers to stuff that’s in space that was put there by humans, and that is no longer doing what ...

Is this really a crater in the Saharan Desert?

Each rocket launch sends valuable materials that cannot be recovered into outer space and emits large amounts of greenhouse ...