An engineer who once worked with NASA says he has built a machine that can push against gravity without burning a drop of ...

This new propulsion system could rewrite the rules of spaceflight—not to mention completely defy conventional physics.

The U.S. Navy has awarded Skydweller a $1.4 million contract to develop electric propulsion as it explores all-electric ...

A French launch startup that recently closed a funding round is seeking defense applications for its hybrid propulsion technology.

Solar sails have some major advantages over traditional propulsion methods—most notably, they don't use any propellant. But, ...

Illustration of a True Anomaly Jackal vehicle with an Agile Space propulsion system. Credit: Agile Space Industries WASHINGTON — Agile Space Industries has been tapped to develop a propulsion system ...

There are many wonderful places we’d like to visit in the universe, and probably untold numbers more that we haven’t even seen or heard of yet. Unfortunately…they’re all so darn far away. A ...

Just last month we trawled the internet for updates to our coverage of the Dynafin propulsion concept from marine giant ABB. Now the technology has been independently tested, which also gives us our ...

Electric (plasma) propulsion devices have been used for applications such as station-keeping and orbit transfer, in place of chemical rockets, because they provide a higher specific impulse. Detailed ...

Space launches have evoked the same image for decades: bright orange flames exploding beneath a rocket as it lifts, hovers and takes off into the sky. But an alternative propulsion system proposed by ...