Congressional supporters of the Mars Sample Return (MSR) mission have buckled to pressure from the Trump administration to kill the centerpiece of NASA’s exploration plans over the next decade.

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 ...

NASA has committed to running two competing landing architectures side by side for its Mars Sample Return mission, a strategy the agency has never attempted for a planetary return campaign. The ...

Update: A minibus spending package passed by the House of Representatives on January 8, 2026, effectively cancels the Mars Sample Return program by eliminating almost all funding for future missions.

A “selfie” taken by the Perseverance Mars rover as it examines Cheyava Falls, an arrowhead-shaped rock in the center that contains potential biosignatures of past Martian life. Credit: ...