An exploding budget and an unraveling schedule spell disappointment for NASA's mission to learn more about Mars's history.

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

NASA's ambitious Mars sample-return mission faces budget and timeline challenges, but private space company Rocket Lab may ...

From windswept craters to frigid ice caps, explore Martian landscapes through the eyes of NASA’s orbiters, probes and rovers ...

NASA wants to return Mars samples to Earth, but budget problems and technical woes have the mission caught between a rock and ...

A switch to Mars would impact programs such as the moon-focused Space Launch System, a multibillion-dollar rocket that ...

Researchers at NASA Langley are developing a next-gen system called MARVL (Modular Assembled Radiators for Nuclear Electric ...

NASA hopes a revised plan will get Mars samples back to Earth faster and cost less than the agency's original plan.

The moon performed a cosmic ballet with Mars this week.

One hundred people were due to take a one-way trip to Mars in 2023 — and, while some experts say it was a suicide mission, ...

NASA announced Tuesday that it is exploring two options to move forward with its mission to return samples from Mars at a ...

NASA announced Tuesday it had narrowed down to two options the reworked Mars Sample Return mission aiming for a cheaper and ...