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

Mount St. Helens and Yellowstone are the two largest volcanoes in the United States, as well as the most infamous. Today’s ...

There are hundreds of active volcanoes on Io. The new one is located just south of Io’s equator and the Juno images show ...

Eruption of Kilauea, one of world’s most active volcanoes, began on Sunday in remote area of Hawaii Island ...

All of these volcanoes have been dormant for millions of years, but that could be changing, new research suggests. "Mars might still have active movements happening inside it, affecting and ...

"The land is wild and raw and fascinating," he said.

We know Mars once had an active geological past, filled with water, volcanic activity, and dynamic geological changes. Now, ...

Approach Hawai‘i like ancient Polynesian voyagers once did—by water—but with modern comforts, thanks to small-ship journeys ...

The other major feature Root presented comes from Tharsis Rise, the part of Mars most contrasting with the polar lowlands.

Studies on Mars have revealed hidden structures and dense areas beneath old ocean beds, influencing the volcanic activity of ...