Portal’s heat exchanger thruster, known as Flare, fires up during a test in a vacuum chamber. (Portal Space Systems Photo) Bothell, Wash.-based Portal Space Systems says it has successfully tested its ...

NASA’s new solar engine powers the Gateway space station, advancing Artemis missions and deep space exploration.

BROOMFIELD, Colo., August 11, 2025 – MMA Space has developed a low-cost solar array capable of generating tens of kilowatts that can be manufactured in a fraction of the time of conventional solar ...

The Gateway, NASA’s upcoming lunar space station, is one step closer to reality as engineers have successfully powered on its ...

This test flight, conducted by the Ashburn, Virginia-based startup Overview Energy, marks a major victory in the quest for ...

Space-based solar power, a long-envisioned technology, is gaining momentum as a crucial solution to meet growing energy demands and achieve decarbonization targets. This technology offers significant ...

In spring 2002, Chelsey Bryant Krug flew to Colorado in search of a job. She had just enrolled as a graduate student in aerospace engineering sciences at the University of Colorado Boulder. She found ...

Scientists at the European Space Agency used a laser to communicate with a spacecraft 165 million miles (265 million kilometers) away in deep space for the first time, marking a major step forward in ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space telescopes and orbiters have been documenting the rare visit. A mysterious ...

"Solar Orbiter can now provide this missing piece of the puzzle." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In a striking new view from ...