Dubbed "araneiform terrain," the Mars surface formations span over a half-mile long and have hundreds of branches that ...

A Mars scientist shares the inside story of the NASA Curiosity rover's poignant first photo of Earth and Mars moon Phobos ...

Scientists at NASA's Jet Propulsion Laboratory have recreated spider-like araneiform terrain, a geologic formation found on ...

The Curiosity rover captured this image on Sept. 9, 2024, during its 4,295th Martian day (called a "sol") on Mars. It's been ...

NASA's Curiosity Mars rover studied an unusual rock with paper-thin layers that look like a worn book. It's the latest ...

NASA has recreated Mars' iconic "spiders" in a first-of-its-kind lab experiment, and you can watch it happen in this video.

The Kieffer model, the researchers concluded, was an accurate representation of the processes that produce, not just the ...

NASA scientists have successfully replicated spider-like shapes found on the surface of Mars in a laboratory setting for the ...

NASA's Curiosity rover has captured a spectacular sight from the surface of Mars: The first-ever photo of Earth alongside the ...

A low-density, weak-gravity region has been found below Olympus Mons and the Tharsis volcanoes, while Mars' northern ...

Tests on Earth appear to confirm how the Red Planet’s spider-shaped geologic formations are carved by carbon dioxide.

NASA Mars Odyssey orbiter has been rotated to capture imagery of the Red Planet that would be similar to what an astronaut ...