Massive volcanic eruptions did not cause the extinction of dinosaurs, according to a new study. Volcanoes on the Indian peninsula have long been proposed as an alternative cause for the demise of ...

The theory explains the how and why behind mountains, volcanoes, and earthquakes, as well as how, long ago, similar animals could have lived at the same time on what are now widely separated ...

UTRECHT, Netherlands — Every child who’s ever been fascinated by dinosaurs has wondered: Was it the asteroid or the volcanoes that spelled doom for Earth’s most magnificent creatures?

Some scientists think the answer lies locked within the remnants of long-dormant volcanoes. Massive beds of ancient lava found around the world depict an Earth 65 to 70 million years ago where ...

Key fact The 'hotspot' theory is that there are fixed spots in the mantle where magma rises to the surface. As the crust is moved over these fixed spots, volcanoes are created, eventually forming ...

The mantle transition zone (MTZ), which occurs 410–670 kilometers below Earth's surface, may store several oceans' worth of water. This water, which is carried to such depths by subducting tectonic ...

For the first time, these new high-resolution geochemical records reveal when and how two major eruption phases of gigantic flood basalt volcanism had an impact on climate and biota in the late ...