The first wave of Starlink satellites are reaching the end of their five-year lifespans and burning up in droves.

The burst was so bright that it bounced off the Moon and illuminated Earth’s upper atmosphere, surpassing the brightness of a ...

A patch of the Atlantic Ocean just south of Greenland is cooling while much of the world warms. The origin of this "cold blob ...

A European company that seeks to develop orbital spacecraft for cargo, and eventually humans, took a step forward this week ...

NASA's new "CODEX" telescope has snapped its first photos of the sun's outer atmosphere, revealing previously imperceptible ...