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Before the science team says "OK TO GO!," today's plan involves getting one of the last looks at the rocks...

This image from ESA's Mars Express shows part of possibly the largest single source of dust on Mars: a wind-sculpted...

MSL planning was met with beautiful images of our path ahead, like this one. We ended up planning to look...

What does Percy do all day? A Martian day- or Sol- is 24 hours and 37 minutes long, and while...

NASA's Perseverance rover has notched up a slew of firsts since touching down on Mars one year ago, on Feb....

Curiosity is advancing westward through a largely boulder-strewn channel that is leading us toward the Greenheugh Pediment. The Pediment is...

The first set of middle-schoolers in the agency's "You've Got Perseverance!" campaign was honored with a message from the Red...

When NASA's Perseverance Mars rover tried to collect its first rock core sample last August, the outcome presented a puzzle...

The asteroid 16 Psyche, which NASA intends to visit with a spacecraft in 2026, may be less heavy metal and...

Our Curious robotic explorer is spending another Valentine's Day in faraway Gale crater, Mars. For the first time since 2019,...