In theory, water-based propulsion systems are a low-cost, safer alternative to conventional engines. Water is easier to ...

A pellet of plutonium 238, illuminated by the glow of its own radioactivity. NASA and other space agencies use this material in radioisotope power sources for interplanetary missions to the solar ...

Visions of the Future poster for the “Grand Tour” of planets, a reference to when NASA’s Voyager mission used the once-every-175-year alignment of our solar system’s outer planets to stage its orbiter ...

Astronomers are on the verge of a groundbreaking leap in our understanding of the solar system, thanks to the highly anticipated Vera C. Rubin Observatory in Chile. Set to unveil millions of ...

A Chinese spacecraft built to collect specimens from an unexplored asteroid and return them to Earth successfully launched Wednesday from a military-run spaceport in the country’s mountainous interior ...

Just in case people thought airline food was inedible: Astronauts on future missions to the Moon and Mars could subsist on a brand new “space food” that is concocted from thin air and urine, the ...

China envisions exploring the solar system, and it seems that would happen soon. The country launched Tianwen-2, an innovative space probe tasked with retrieving samples from an uncharted asteroid and ...