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 ...

Though 2025 won't mark the return of astronauts into deep space as NASA had hoped, launchpads still will be scorching-hot ...

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

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 ...

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

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

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

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 ...