Bothell, Wash.-based Portal Space Systems shows off the lab where its solar thermal propulsion system will be developed.

Bellatrix Aerospace, an Indian propulsion systems startup, partners with Astroscale Japan to leverage their expertise and tap ...

The Sunbird nuclear fusion rocket concept has the potential to more than halve the time to travel to Mars and cut travel time ...

Turns out, NASA is still looking to use Starliner to ferry astronauts to the International Space Station and Boeing is onboard, working to solve the thruster issue that led to NASA deciding to have ...

Many space people are worried about a space junk catastrophe called the Kessler Syndrome. Lower orbits reduce the risk of the Kessler syndrome. Here are considerations of fuel needs and aerodynamic ...

The SpaceX capsule tasked with bringing back two NASA astronauts who have spent months on the International Space Station (ISS) after thruster issues following the launch of Boeing’s ...

and the replacement spacecraft also had thruster issues that needed to be addressed. SpaceX is reviewing data from the recent incidents to improve the reliability of future Falcon 9 flights.