The volcano stands at 29,600 feet and stretches for 280 miles, and evidence shows it has been active for a very long time.

Scientists say they have discovered a giant volcano hidden in plain sight on Mars. The volcano, temporarily named the Noctis, spans 280 miles wide and was discovered alongside a buried ice glacier ...

"Rootless cones form when lava flows over wet or icy ground, causing it to boil and explode," said Dundas. "The region around ...

From arachnid-like formations and mysterious blobs to an underground ocean and a giant volcano, here are our 10 favorite things scientists discovered on Mars this year.

To learn more about these rocks, the study authors mapped a region of 19,300 square miles (50,000 square kilometers) using data from the Context Camera on the Mars Reconnaissance Orbiter, a NASA ...

Rootless cones are small volcanic landforms ranging from several to several hundred meters in diameter, formed by continuous ...

In the photo, taken in Sept. 2022 and publicly released in Dec. 2024, the dunes appear surprisingly motionless. Dunes on both Mars and Earth usually migrate as wind picks up grains of sand from ...

The mystery location of a giant volcanic eruption that occurred almost 200 years ago has finally been solved thanks to ash traces preserved in ice cores. In 1831, famous German composer Felix ...

The findings, recently published in the journal Nature, suggest that the volcanoes on the moon Io are fed by individual magma chambers rather than a single giant mass of magma. Io is home to ...

Olympus Mons — a giant volcano standing more than 16 miles (25 km) above Mars' equator. Annotated image of Mars with markings and text showing the equator, the newly-discovered volcano ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Debris from ancient volcanic eruptions on Mars could offer new clues in the search for alien life ...