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 ...

"We are able to measure the local dark matter density using direct acceleration measurements for the first time." ...

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

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 ...

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

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

Wondering what that bright light was in South Florida skies?According to CNN, SpaceX's Starship launched its eighth test flight out of South Texas.

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