Flying some 140 million miles to Mars is one of NASA's biggest plans so far and a space expert has revealed exactly how resilient and dedicated astronauts need to be.

We have long been inspired by the idea that life could reside on Mars – human or otherwise. But fiction is getting closer to reality, says NASA’s former chief scientist, Jim Green. “NASA’s plan, in the long run,

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

NASA has arrived at two ways of returning samples collected on Mars to Earth. Now, the agency will test the options to see if the cache can make it back in the 2030s.

For centuries, we have been gazing into space with fascination, dreaming of travelling to distant planets. To make these plans a reality, NASA is working on a project that could facilitate our journey to Mars,

Venus, Saturn, Jupiter and Mars will appear to line up and be bright enough to see with the naked eye in the first few hours after dark. This weekend, Venus and Saturn get especially cozy.

NASA's mission to return samples from Mars and potentially discover the first signs of alien life has a new timeline. The samples may arrive sooner.

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

Researchers at NASA Langley are developing a next-gen system called MARVL (Modular Assembled Radiators for Nuclear Electric Propulsion Vehicles) that aims to advance the feasibility of nuclear electric propulsion for space travel.

NASA is considering two ways to get its precious Mars samples back to Earth but won't pick a winner for another 18 months or so.

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

NASA has announced two new approaches to the Mars sample return mission that could save billions of dollars and at least a year in the timeline.