Yellowstone's magma system shows new activity, with the northeast sector possibly hosting future volcanic activity.

For decades, scientists believed that magma chambers beneath volcanoes were transient, forming before an eruption and then ...

The Axial Seamount, an underwater volcano located about 300 miles off the coast of Oregon, is displaying behavior that ...

The building blocks of life could have been delivered to Ceres by one or more space rocks from the outer asteroid belt.

Mars' dramatic north-south divide has puzzled scientists for half a century. However, they may now have a conclusive answer.

Data collected by NASA's InSight lander suggest that ancient internal processes are responsible for the "Martian dichotomy" ...

That movement has now left one pool of molten material on the west of the caldera disconnected from any heat sources, which will likely allow it to cool. Meanwhile, the largest pool of near-surface ...

The ‘Martian dichotomy’ is one of the Solar System’s greatest mysteries – but new research in closing in on a solution.

Episode 6 of the Big Island volcano’s latest eruption, which began the week of Christmas 2024, is underway as lava flows onto ...

Igneous rocks are formed from the cooling of molten rock. Molten rock is rock that has been heated to such a high temperature that it melts into a liquid. The basalt which makes up the Giant’s ...

Scientists believe Bear Butte was formed around 65 million yea rs ago when magma (molten rock) from the earth’s interior pushed up under the crust, but never reached the surface. The magma ...

Mars' crust, which sits on top of a mantle of molten rock similar to the one inside Earth, is also thicker in the southern highlands. This planetary imbalance is known as the "Martian dichotomy." ...