The bold question-askers at What If present a radical new plan for space travel using hydrogen balloons instead of rockets.

The European Space Agency (ESA) is advancing on its ambitions for future space transportation. This week, the agency has ...

Despite the White House's desire to cancel the Space Launch System, the Artemis program's primary launch vehicle, NASA ...

China brought back hydrogen-oxygen engine Between the end of 2024 and the start of 2025, China quietly made a significant breakthrough. The y te st-fired a brand-new 220-ton hydrogen-oxygen rocket ...

The deal gives Arbor $41 million to help it build its first commercial-scale power plant in southern Louisiana that will burn ...

The smoking gun of the creation of lithium in explosions on white dwarf stars may have been found, in a spike of gamma rays ...

"Theories involving substantial formation of stars prior to or together with the black hole formation and growth are very ...

June 30 (UPI) -- Blue Origin launched six more tourists into space and back on Sunday from Texas on its 13th passenger flight ...

Injecting aerosols into the atmosphere – but at higher altitudes than planes can reach – could cool the climate while ...

As video of the incident shows, a plume of debris rained down after the rocket's exhaust nozzle shattered. Along with the ...

Scroll down to review live updates from the Monday, June 16, scrubbed liftoff of a United Launch Alliance Atlas V rocket from Cape Canaveral on Amazon's second Project Kuiper mission. Original story: ...