Fusion has long been the propulsion end-goal for interplanetary travel, and a U.K.-based company thinks on its way to ...

SpaceX, led by Elon Musk, is gearing up for one of its most daring missions yet: sending its Starship rocket to Mars as early ...

Cleveland leads the Cactus League with 49 home runs after adding four to their total Saturday at Goodyear Ballpark.

The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

A Falcon 9 rocket is scheduled to lift off from Vandenberg Space Force Base Friday at 2:49 a.m. EDT (0649 GMT; 11:49 p.m. on ...

Solar panels are next to useless in the outer solar system, so NASA’s Voyager probes rely on nuclear batteries—technology ...

The Sunbird concept is for the fusion-powered ‘tugs’ to be permanently based in space, able to dock with spacecraft and ...

Seattle's Museum of Flight brings its collection of space artifacts up to the present day with a Blue Origin BE-3U rocket ...

How do we power missions in the outer reaches of our solar system and beyond? The solution, developed in the '60s, can last ...

The heliosphere, a cosmic bubble formed by the Sun, protects our solar system from interstellar threats and influences life's ...

Bothell, Wash.-based Portal Space Systems shows off the lab where its solar thermal propulsion system will be developed.

Pictures may enliven us, but other data, such as information about magnetic fields, add a huge amount to our understanding of ...