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

The first orbital rocket launched from Europe crashed less than a minute after it was launched Sunday, but operators still considered the mission a success.

For now, it looks like NASA’s orange behemoth has a little life left in it. All the hardware for the Artemis II mission has ...

After ten years of quiet research, Pulsar Fusion has unveiled a nuclear fusion-powered rocket called the Sunbird. This spacecraft isn’t just another science fiction concept—it’s being designed to fly ...

but NASA and DARPA have plans to test its own fission rocket in 2027. One way or another, we’re going to find out if the promise of nuclear propulsion will finally become reality in only a few ...

On its website, RocketStar says its work focuses on aerospike rocket engines and a "FireStar Fusion Drive, the world's first electric propulsion device enhanced with nuclear fusion." These are ...

A nuclear-powered rocket may sound like something from science fiction, but it might be the key to future commercial, military, and research missions to space. Some believe it will be essential for a ...

The Spiral’s primary mission, had it made it beyond the test stage, would have been a combination of reconnaissance and ...

The sounding rockets released vapor tracers and pressure sensors at different altitudes across central and northern Alaska ...

SpaceX's Starship megarocket, the world's most powerful rocket, is officially on NASA's list for future launches.