What if the most telling indications of an impending volcanic eruption are buried deep under the ocean, or in a fleeting succession of tiny quakes that no one perceives? As volcanoes of the Pacific ...

In a dramatic new discovery, scientists have identified over 15,000 kilometers of ancient riverbeds on Mars, revealing that ...

Learn about how volcanoes are formed and the ways they erupt Chiara Maria Petrone, Roberto Scandone, and Alex Whittaker On ...

New research challenges the long-held belief that the Arctic Ocean was covered by a massive ice shelf during ice ages.

The new images by the Curiosity rover on Mars show "dramatic evidence" of ancient groundwater in crisscrossing low ridges, ...

A new study does the difficult task of trying to piece together the history of the world’s largest subduction zone.

Remarkably, it could one day lead to the formation of Earth's sixth ocean. At the heart of this phenomenon are tectonic plates—massive sections of the Earth's crust that move atop the semi-fluid ...

A mid-oceanic ridge in the Red Sea is dividing Africa from Asia. This divorce is happening at the rate at which fingernails grow. Along most of the ridge, the separation is straightforward.

The formation of a new ocean is a complex and lengthy process that involves various stages of rifting, from continental breakup to the development of a mid-ocean ridge.

In the 1950s, geologist Marie Tharp turned depth measurements into detailed maps of the ocean floor. It led to her discovery of the Mid-Atlantic rift.