President Trump’s blueprints to build a space-based missile defense shield could help him push for reductions in atomic weapons arsenals across the great nuclear powers.

"This agreement represents a significant milestone for Planet; it is our largest contract to date and is a major step forward ...

The building blocks of life could have been delivered to Ceres by one or more space rocks from the outer asteroid belt.

According to astronomers, there are approximately 200 billion trillion stars in our observable universe — chances are, ...

WASP-121b is like nothing in the solar system, raining liquid metal and being puffy like a marshmallow. The origins of these ...

Space games have been there since the beginning of video game history. Today, these five offer galactic explorers a broad mix ...

Space agencies have systems in place to spot, track, and forecast the future orbits of potentially hazardous asteroids.

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

Researchers say there’s a 1.3 percent chance that the space rock 2024 YR4 could strike our planet — but not until December ...

Satellite imagery and data analysis company Planet announced it had signed a $230 million contract, with an anchor customer ...