A former chief historian of NASA reflects on the history and future of Mars exploration Roger D. Launius The original 'Face on Mars' image taken by NASA's Viking 1 orbiter that resembled a human face ...

Researchers use the sophisticated technology on NASA's Perseverance rover to analyze volcanic rocks in Mars' Jezero Crater. Their findings show that some of the same volcanic processes that led to ...

For this week’s Fault Lines column, Jon Allsop is filling in for Jay Caspian Kang. In 1877, Giovanni Schiaparelli, an Italian astronomer (and uncle of the fashion icon Elsa), started making a map of ...

Mars’ Margin Unit records repeated encounters with groundwater, possible lake water and heated fluids long after its igneous rocks formed.

BLOOMINGTON, Ind. — Epsom-like salts believed to be common on Mars may be a major source of water there, say geologists at Indiana University Bloomington and Los Alamos National Laboratory. In their ...

Geologically, Mars is very reminiscent of the moon. But it also looks a lot like the Earth. It all depends on who you ask. Current understanding of Mars' evolution is based on spacecraft measurements ...

Exotically pitted “Swiss-cheese” terrain made of carbon dioxide (dry ice) overlies the topmost layer of water ice in Mars’ South Polar Massive Carbon Dioxide Ice Deposit. Image is about 1 kilometer ...

Take a tour of the space volcanoes on other planets and moons across the Solar System, and find out how they differ from Earth's volcanoes. While volcanoes have brought profound changes to landscapes ...

Add Yahoo as a preferred source to see more of our stories on Google. The interior of Mars is as chunky as a delicious macadamia cookie. A new analysis of the acoustic waves that ripple through and ...

Unusual formations in Mars' Arabia Terra region reveal the Red Planet's climate history.

In a study co-authored by a Texas A&M University scientist, researchers have revealed new insights into the geological history of Mars's Jezero Crater, the landing site of NASA's Perseverance rover.