NASA has committed to running two competing landing architectures side by side for its Mars Sample Return mission, a strategy ...

Add Yahoo as a preferred source to see more of our stories on Google. Right now one of the most advanced planetary explorers ever built is scouring the surface of Mars. Supported by a team of hundreds ...

See how the Sample Transfer Arm for the Mars Sample Return mission will work in this animation. Credit: ESA/NASA ...

A new book tells the stories of scientists “ridiculed, exiled, and imprisoned for being right.” Nuno Castel-Branco is a historian of science at the University of Oxford and writes the Stories of ...

A mudstone sample from Jezero Crater shows textures and minerals that on Earth often form through microbial activity. Scientists caution that nonbiological processes could also explain the features, ...

NASA has awarded a contract to build a testbed for optically guided rendezvous and docking in Mars orbit — a key technique that will be required for a Mars sample return mission. A sample return ...

Rocket Lab Corp RKLB shares are sliding on Thursday as investors continue to react to Congress’s decision to decline funding for a planned 2031 Mars sample-return mission tied to NASA’s Perseverance ...