NASA's SunRISE mission has been assigned a new rocket: It will now be delivered to orbit by a SpaceX Falcon Heavy rather than ...

The satellite's maker, City Labs, believes this demonstration mission will be a key step toward putting nuclear power on the Moon.

Cambridge University researchers say launch costs fell from $87,000 to $3,868 per kilogram between 1960 and 2025—or roughly ...

The largest IPO in history is set to report earnings for the first time on Aug. 4. Here's what investors need to know.

SpaceX is targeting Thursday, July 23, for its next Starship rocket launch - as long as Tropical Storm Bertha doesn't ...

NASA says a new space telescope scheduled for launch next month will mark a major leap in cosmic exploration. The Roman Telescope, named after the agency’s first chief astronomer, Nancy Grace Roman, ...

NASA is preparing for future astronaut landings on the Moon with an unusually ambitious orbital rehearsal. During Artemis III ...

Jeff Bezos has identified a new, high-profile platform to help showcase the hundreds of billions of dollars Amazon ​has bet ...

A veteran astronaut explains why she and her former crewmates believe defending the Constitution is their next mission.

The next launch of SpaceX's Starship is a crucial step in readying the world's largest rocket for NASA moon missions, not to ...

A week after engine issues prompted a last-second abort, bad weather in Texas is now Starship's biggest obstacle in getting ...

Crew members on a commercial spaceflight have taken the first diagnostic X-rays in space, using a portable device that could ...