Now that Butch Wilmore and Suni Williams are home, ending a 9-month spaceflight, questions remain about the troubled ...

Former NASA astronaut José Hernández said Monday that travel to Mars is “a good 15 years away.” “As I’ve always said … space ...

From its perch in the foothills of the 3.4-mile-high mountain, you can see over an expanse of plains, called Aeolis Palus, ...

There are a couple potential explanations for distinctive markings found on a Martian rock, but new evidence suggests they ...

Stuck in space no more, NASA astronauts Butch Wilmore and Suni Williams returned to Earth on Tuesday, hitching a different ...

NASA's two stuck astronauts are finally on their way home after more than nine months in space. CAPE CANAVERAL, Fla. (AP) — ...

Scientists are confident Mars was once abundant with water, as seen in massive flood-carved channels, ancient river valleys, ...

Solar panels are next to useless in the outer solar system, so NASA’s Voyager probes rely on nuclear batteries—technology ...

Seismic readings of the interior of Mars strongly suggest large quantities of water buried 6 to 12 miles underground.

Ingenuity proved beyond a shadow of a doubt that a helicopter can operate on another planet. Over 72 flights, the little ...

SpaceX CEO Elon Musk suggested on a Wednesday episode of Senator Ted Cruz 's podcast that while humans may not find living ...