Since the 1970s, planetary geologists have known that volcanic features cover large swaths of Mars. Early Mariner 9 images ...

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.

LOS ANGELES - A researcher has spotted lava flows shaped like coils of rope near the equator of Mars, the first time such geologic features have been discovered outside of Earth. These twisty volcanic ...

A Martian volcano once thought to be the result of a single eruption turns out to have a much more complex past. Orbital imaging and mineral data show it developed through multiple eruptive phases, ...

One more Mars snapshot from the latest batch released by the HiRISE team at the UA Lunar and Planetary Lab. HiRISE team member Anjani Polit tells us: This image shows part of Cerberus Fossae, a long ...

Three autonomous robots were sent into a volcanic lava tunnel in Lanzarote to simulate the exploration of underground tunnels on the Moon and Mars. A European mission highlights an innovative approach ...