From plasma engines that could turn months of travel into weeks to the first blueprints for ships that will outlive their ...

"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 ...

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 ...

The latest hot-fire of NASA’s Artemis moon rocket engine at Stennis Space Center was more than a dramatic plume on the ...

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 ...

I’ve grown up with rockets that burn chemical fuel, but NASA’s next big leap in propulsion could make those engines look as dated as steam trains. By turning to nuclear power in space, the agency is ...

Historically, getting into space and sending heavy payloads across or out of the Solar System has relied on chemical rockets. They do the job, and very well, but they suffer from the fact that even ...

3I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the galaxy. By Kenneth Chang For only the third time, astronomers have found ...

While its star projector leaves a lot to be desired, the Science Can Solar System Planetary Projector is a fantastic educational tool for kids, with its solar system model, complete with talking ...

A newly discovered object speeding through our solar system is sparking excitement among astronomers because it’s not from around here. Believed to be a comet, the object is only the third celestial ...