Mars' southern hemisphere absorbs a lot of the sun's energy during the Red Planet's spring, and that may be causing Mars' ...

So I grabbed my camera, ran outside, and looked up just as Mars was supposed to emerge from the Moon's curved horizon. Seen ...

The moon performed a cosmic ballet with Mars this week. On Monday evening (Jan. 13), the Full Wolf Moon passed in front of ...

NASA proposes a faster, cheaper plan to bring Mars samples to Earth, aiming for delivery by the 2030s while cutting costs ...

The northern plains of Mars, marked by thousands of mounds and hills, hold significant evidence of the planet's watery past.

A new preprint study looking at data from NASA's Interior Exploration using Seismic Investigations, Geodesy and Heat ...

While robotic missions have returned samples from the moon and space rocks like asteroids, a successful Mars mission would mark the first time that rocks from another planet made it back to Earth.

Did you know that Mars at opposition is a special time when Earth and Mars are closest? This happens when Earth passes directly between Mars and the Sun. At this point, Mars appears larger and ...

when Mars is directly opposite the sun in Earth's sky — meaning Mars will be at its biggest and brightest as it nears its closest point to Earth. This is the only lunar occultation of Mars that ...

"The briefing will include NASA's efforts to complete its goals of returning scientifically selected samples from Mars to Earth while lowering cost, risk and mission complexity," NASA officials ...

NASA wants to return Mars samples to Earth, but budget problems and technical woes have the mission caught between a rock and the Red Planet. There appears to be an unofficial robotic space race ...