No astronaut has ever stepped foot on Mars, but that doesn't mean humans haven't left their mark — literally.

As Christmas Eve approaches, a cosmic visitor is set to make its presence known. NASA's eyes are on the skies, tracking the ...

Close calls are becoming more common as low Earth orbit becomes more and more crowded with satellites and debris.

Thousands of people in the South saw a bright object streaking across the sky Saturday night about 10 p.m. CT, moving ...

A Chinese spacecraft that burned up high over Los Angeles created a sonic trail detected by ground-based sensors.

The first Canadian to walk in space dives deep into the origins of space debris, how it’s become a growing problem, and how ...

The 270-kilogram Optimus craft was a “trailblazing satellite to clean up space junk”, and could refuel, repair and deorbit ...

Space startups in Japan and India said on Tuesday they had agreed to jointly study using laser-equipped satellites to remove debris from orbit, an experimental approach to the increasingly ...

help future spacecraft capture space objects (such as satellites or debris) regardless of their size, shape or surface material, according to the NASA experiment page. The REECH technology was ...