Longtime NASA astronaut Don Pettit is set to return from his fourth trip to space on Saturday night. Here are some of his ...

The Lyrid meteor shower is about to reach its peak activity for April. Here's when and how to see it, along with a cloud ...

A camera affixed to the International Space Station recently spotted some curious symbols amid a barren desert landscape.

The James Webb Space Telescope has pointed its infrared optics at the 'Crystal Ball Nebula' NGC 1514, a planetary nebula ...

Researchers have developed a new coronagraph that could make it possible to see distant exoplanets obscured by light from their parent stars.