A British start-up has unveiled an ambitious project that could transform space exploration. Their idea? Using nuclear fusion to power a fleet of reusable rockets, nicknamed Sunbirds, capable ...

Despite rising tariffs on imports and a looming U.S. Department of Commerce investigation, American solar-grade polysilicon ...

NASA's Parker Solar Probe just screamed past the Sun for the 23rd time, once again matching its own records for closest ...

Solar cells convert sunlight into clean energy—but if the solar cells themselves are made of toxic materials, it almost ...