They're not actual spiders, of course, but rather strange geological features.

Mastcam captured colourful images of a trough and a nearby displaced block nicknamed “Ouro.” Scientists suspect it could be ...

NASA's Perseverance rover has spotted an oddball rock in an ancient river channel on Mars. Deputy project scientist Katie ...

"Our work is a new piece of evidence that suggests that Mars was once a much more complex and active planet than it is now." ...

After its voyage past Mars, Mariner 4 maintained intermittent communication with JPL and returned data about the interplanetary environment for two more years. But by the end of 1967, the spacecraft ...

A budget-writing panel in the House of Representatives passed a $24.8 billion NASA budget bill Tuesday, joining a similar ...

NASA’s Mars Reconnaissance Orbiter has learned to pull off daring 120-degree rolls that give its SHARAD radar ...

Report: Stu Sternberg agrees to sell Tampa Bay Rays for $1.7 billion Cal Raleigh wins the Home Run Derby with his dad and ...

NASA’s Mars Sample Return Mission may cost up to $11 billion, risking c Lockheed Martin proposes a reduced-cost plan using InSight lander techn Rocket Lab also offered a budget-friendly MSR proposal i ...

As it flew by Mars, the spacecraft's onboard camera snapped 22 pictures of the planet's surface, sending them back home to ...

The more scientists study the Red Planet, the more they find unusual objects and patterns scattered across Mars' surface. As ...

Sixty years ago today, NASA’s Mariner 4 spacecraft took the first up-close images of Mars, changing humanity's understanding ...