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

The latest eruption at Halemaʻumaʻu Crater began at 6:42 p.m. HST on January 27, sending lava fountains onto the crater floor ...

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

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

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

Using nearly four decades of seismic data from stations encompassing the northern, central, and southern Sierra Nevada along California's eastern border, geologists have uncovered signs of a critical ...

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." ...

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

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 volcano has been inflating "like a balloon" as molten rock accumulates within, the researchers have observed. Since each of the eruptions have occurred as the volcano reaches a certain level ...