Earth's Composition Closely Matches Mars, Suggests New Study On Planet's Origins ...

Scientists study whether Aspergillus calidoustus could survive Mars-like conditions, raising new concerns about microbes in ...

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

Scientists believe they found fresh proof of an ancient ocean on Mars in the form of a “bathtub ring” it left after it dried up billions of years ago.

"I’d say that while an astronaut could make it to Mars they might need dialysis on the way back," researchers said.

Helicopters on Mars may sound like something from a science fiction novel — or perhaps just a typical "Doctor Who" episode. But actually, they're not fully confined to the world of sci-fi; after all, ...

A NASA rover has discovered more building blocks of life on Mars after carrying out a chemistry experiment never before conducted on another planet, scientists said Tuesday.

Whether it's robotic rovers heading to Mars or, one day, a crew of astronauts, a round-trip journey is an incredibly long one ...

NASA has successfully tested a record‑power lithium‑fed magnetoplasmadynamic thruster, while a separate study suggests asteroid‑inspired trajectories could cut Mars round trips by more than half. The ...

Time moves differently on Mars — not in the Tibetan philosophy sense of the word, but in a measurable, physics-will-ruin-your-mission kind of way that's giving NASA engineers a real headache. As the ...