"Other countries are obviously accelerating their programs." Startup aims to use giant space robots to solve Earth's energy ...

From astronauts getting stranded on a leaking ISS and faceplanting moon landers to injured Mars robots and a tumbling solar ...

Imagine building a shield in orbit to protect Earth against environmental destruction — a fleet of cooperative satellites forming a massive umbrella that reduces solar energy reaching Earth, ...

A bright streak of light in the pre-dawn skies above the U.K. could easily be mistaken for Santa Claus getting an early start ...

Skywatchers across the United States witnessed a total solar eclipse, SpaceX caught a giant rocket out of mid-air with a pair ...

Peer into the fascinating work astronauts carried out on the International Space Station as it zips across the sky.

WATCH LIVE: Amazon workers launch nationwide strike days before Christmas ...

The ISS is typically visible only around sunset and sunrise. That’s because what you’re actually seeing is sunlight reflecting off the spacecraft’s solar panels, so the sun has to be just ...

Wakate and Mann successfully performed all operations necessary for installation of the solar panels. This event has become the 259th spacewalk, carried out from aboard the ISS. Earlier ...

Dust plays a critical role in both the atmosphere and landscape of Mars. It can block out light from the Sun and shape the ...