Scientists say they've uncovered the "largest known galactic structure," which spans a mind-boggling 1.4 billion light-years.

The spacecraft, SPHEREx and PUNCH, had been expected to launch on a SpaceX rocket on Saturday. Two NASA missions will have to ...

A new world has just been found orbiting a Sun-like star only 20 light-years away, and it could be one of the most promising ...

Debris from an apparent explosion of the eighth SpaceX Starship test flight was seen lighting up the skies above the Bahamas Thursday night. Video shows the remains of the 400-foot spacecraft from ...

We often get questions from viewers who see a strange stream of lights drifting across the sky. Here's what's likely going on ...

More and more satellites are orbiting the earth and identifying them is becoming more difficult. A tiny laser that flashes in ...

For the first time, researchers have combined satellite collar data with specialized cameras to shed light on one of the most ...

Using the ROentgen SATellite (ROSAT), astronomers have discovered a new cataclysmic variable system of the polar subtype. The ...

Russia attacked Ukrainian energy facilities with dozens of missiles and drones during the night, officials said Friday, ...

Digantara: In a statement, the company said the SCOT satellite achieved first light on Saturday and its inaugural image while ...