Record power milestone: NASA's Jet Propulsion Laboratory fired a lithium-fed plasma thruster at 120 kW, surpassing all previous U.S. electric propulsion tests. Why it matters: The magnetoplasmadynamic ...

NASA’s Curiosity rover had an unexpectedly stubborn Mars souvenir after drilling into a rock nicknamed “Atacama” — the entire ...

NASA's Psyche spacecraft will get a boost from Mars on Friday, May 15, passing just 2,800 miles (4,500 kilometers) from the planet's surface at some 12,333 mph (19,848 kph). The spacecraft will ...

A researcher says he found a possible shortcut to Mars that would halve the time it takes to travel to the planet and back to ...

NASA just tested a blazing-hot plasma engine that could help carry humans to Mars.

Exploring Mars used to be a top priority for NASA and SpaceX. But a dramatic shift is underway as the administration tries to ...

Gravity assist boost: On May 15, Psyche will use Mars’ gravity to increase speed and adjust trajectory toward its asteroid target, saving onboard propellant. Rare Mars view: Approaching from the night ...

For years, nuclear propulsion sat in the same category as so many ambitious space ideas, impressive on paper, always a few ...

It’s tough being a robot trekking along the dry, arid terrain of another planet with no humans around. NASA’s Curiosity rover ...

Here's why these new results are so encouraging for scientists.

On April 25, the Curiosity rover drilled into a Mars rock nicknamed "Atacama" and accidentally yanked the entire thing out of ...