Solar sailing has moved from science fiction concept to working hardware, and now a new generation of entrepreneurs wants to ...

A new kind of space engine could change how we explore the solar system, and it's powered by the same force that lights up the stars. A British startup called Pulsar Fusion is working on a nuclear ...

The European Space Agency-led Solar Orbiter mission has traced floods of energetic electrons hurled out by the Sun back to two distinct sources, marking a major advance in space weather research. The ...

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 ...

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. None of that is stopping Baiju Bhatt from giving it a go. The billionaire ...

"Solar Orbiter can now provide this missing piece of the puzzle." In a striking new view from space, the European Space Agency's Solar Orbiter has given scientists their first close-up glimpse of the ...