Portal Space Systems has raised $17.5 million to accelerate the development of a space vehicle with a solar thermal ...

"We're trying to encounter an astronomical object that streaks through our solar system just once and we don’t want to miss ...

The future of interplanetary travel is looking brighter, thanks to the new Sunbird nuclear-powered rocket designed by Pulsar ...

Theoretically, Sunbird's tremendous speeds could cut mission times to Mars in half, from seven to eight months to about four.

Turns out, it's as tough to drop inward into the inner solar system, as it is to head outward. The problem stems from losing momentum from a launch starting point on Earth. It can take missions ...

In late 2017, a mysterious object tore through our solar system at breakneck speed. Astronomers scrambled to observe the fast ...

When it comes to crossing these great distances, conventional chemical rocket technology simply ... could one day take us far beyond our own solar system.

Using nuclear fusion to power a fleet of reusable rockets, nicknamed Sunbirds, capable of significantly reducing travel times within the Solar System ... directly used for propulsion, offering ...

A British propulsion company is aiming to harness nuclear fusion and drastically cut travel times to far off places in space.

Through its "Moon to Mars" program, NASA plans to send the first crewed missions to Mars by the end of the next decade. To ...

NASA's PUNCH sun-studying mission has seen first light — and the team says all four instruments are indeed working as ...

Space solar power, or what I like to call Starlink for electricity, is at once a ludicrous idea and a bit of a pipe dream.