We spend billions imagining what other planets might look like. Meanwhile, Earth regularly flexes landscapes so strange they barely seem real. For example, our planet has bleeding glaciers, sulfuric ...

NASA Rover Studies Unusual Structures on Mars That Have Scientists Puzzled ...

The closest most of us will ever get to visiting Mars is watching movies or scrolling through NASA photos, but Paint Mines Interpretive Park in Calhan offers a surprisingly convincing alternative.

A duo of researchers has just published a study featured on the cover of the journal Astronomy & Astrophysics which shows that as it gets closer to the planet Mars, Phobos, its largest moon, ...

Geological features like these provide evidence that Mars once had a denser atmosphere and significant surface water — ...

Life's capacity to survive in simulated lunar and Martian soils has been explored in two papers published in Scientific Reports. Treating simulated lunar soil with both symbiotic fungi and ...

Newly released Mars images offer a detailed look at one of the Red Planet's oldest, most heavily cratered regions, a landscape shaped by billions of years of impacts, volcanism and erosion.

For decades, scientists have debated whether Mars once had a large ocean. Images from orbiters have shown valleys, channels ...

Scientists compare volcanic cones on Earth and Mars to explain how gas-rich magma forms scoria cones. Spacecraft observations and Earth analog sites provide evidence of similar eruptive processes.

For more than a decade, NASA’s Curiosity rover has been climbing a Martian mountain, reading the planet’s ancient history layer by layer. Now, a discovery of web-like rock for ...

This low-angle self-portrait of NASA’s Curiosity Mars rover shows the vehicle at the site from which it reached down to drill into a rock target called “Buckskin” on lower Mount Sharp.

NASA’s Curiosity rover has discovered tiny mineral nodules on Mars that suggest groundwater persisted on the planet much longer than previously believed, expanding the window during which microbial ...