Mars will never be forgiving, and survival there will depend on engineering choices—not optimism. From radiation and ...

Earlier this year, rocket scientists at NASA fired up an electromagnetic thruster powered by lithium metal vapor.

Researchers at NASA's Jet Propulsion Laboratory have developed a new thruster that increases power 25 times stronger than ...

A crewed expedition to Mars promises to push the absolute limits of human endurance. To grasp the sheer scale of the journey, ...

Electric propulsion is increasingly looking like the technology that will underlie a first attempt to walk on the Red Planet.

The idea of humans living on Mars is closer to reality than it’s ever been. On Feb. 13, Elon Musk’s SpaceX ferried an international crew of four astronauts to the International Space Station, another ...

Inside a long vacuum chamber in Southern California, a spacecraft engine glowed white-hot as it pushed toward a level of ...

Scientists edge closer to answering Mars’ biggest question: Did life ever exist on the red planet? Here's the latest from two ...

NASA has tested a lithium-fed thruster that could become a workhorse for future Mars missions, and the key milestone is not ...