Eco-friendly alternatives to fossil fuels are venturing beyond Earth—and into space.

NASA's Perseverance rover has been busy gathering bits of Mars — rock cores the size of chalk sticks, clusters of broken fragments no bigger than pencil erasers, and even grains of dust fine enough to ...

Before arriving at the Moon, the small satellite mission will use the gravity of the Sun, Earth, and Moon over several months ...

Lunar Trailblazer is part of a growing list of probes and landers heading toward the moon to search for water ice.

After a gap of more than a year, NASA successfully resumed spacewalks outside the International Space Station on Thursday.

NASA partners with private companies to search for lunar water ice, a key factor for future human exploration of the moon ...