The NASA astronauts splashed down on Tuesday in a SpaceX capsule after problems with a Boeing vehicle set in motion a ...

People and planes often flag wildfires before satellites do, but satellites can play a critical role when it comes to ...

The final results from the Atacama Cosmology Telescope offer the sharpest, most sensitive view of the early cosmos that ...

NASA astronaut Don Pettit captured this stunning long-exposure view of Earth and stars from space at night from the International Space Station.

The first satellite in a constellation designed specifically to locate wildfires early and precisely anywhere on the planet has now reached Earth's orbit, and it could forever change how we tackle ...

Satellites connect people around the world but they also interfere with astronomers’ views of the cosmos. There are ways to ...

SpaceX and other companies plan to launch tens of thousands of satellites, which could mar astronomical observations and pollute the atmosphere.