When the OSIRIS-REx spacecraft swings by Earth on Sunday, it is expected to deliver a rare cosmic gift: a pristine sample collected from the near-Earth asteroid Bennu.If all goes according to plan, ...

Complexity, cost and scheduling are major issues, and MSR is shrouded in doubt. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NASA's bold plan ...

This mosaic is made up of more than 100 images captured by NASA’s Viking 1 orbiter, which operated around Mars from 1976 to 1980. The scar across the center of the planet is the vast Valles Marineris ...

Vital samples from a dried up lakebed on Mars could contain crucial evidence for past life on the Red Planet — but budget overruns are threatening the effort to bring those samples back to Earth, ...

NASA's bold plan to get pristine samples of Mars to Earth for analysis is facing major challenges, according to a new report. Design, cost and scheduling are all significant obstacles, an audit report ...