A startup called Momentus is testing a new in-orbit water plasma propulsion system to maneuver satellites. And early rounds of tests have gone without any major hurdles — and the trials mark the first ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? The timer has a run time from anywhere between one to 240 minutes (four hours) and ...

Momentus claims water is simpler, safer and more cost-efficient than other types of propellant. Credit: Momentus Momentus’ Vigoride-5 space tug has raised its orbit using its microwave electrothermal ...

As spring gets into swing, we welcome the return of warm weather, verdant lawns and blooming flowers—but sometimes Mother Nature needs some help and not every homeowner has a green thumb. Thankfully, ...