Mars is about 140 million miles from our cozy planet. A human mission to that cold, rocky neighbor would mean being away from Earth for about 3 years. But the things those explorers would see and ...

Volcanoes. A short video for 11-14 year old pupils, exploring tectonic activity and volcanoes and featuring case studies from ...

The graphic below shows how the movement of the Earth's tectonic plates causes volcanoes to be formed, and what triggers a volcanic eruption.

Volcanoes are formed when magma (liquid rock) trapped underneath the Earth’s crust rises to the surface and escapes through cracks. The space for the magma to leave is very small and ...

The Eyjafjallajokull volcano began erupting in March ... Most of it was very fine particles which formed an ash cloud, rising 6-10km (20,000-35,000 feet) into the atmosphere. Ash clouds pose great ...

It creates jagged coastlines, mountain ranges, and volcanoes. This is the process that formed the Cascade Mountain Range in Washington and Oregon! A convergent fault is when two plates push into ...

Various volcanic features can be found on the rocky planets neighboring Earth. Mars contains volcanic plains formed by past eruptions and inactive shield volcanoes that are much more massive than ...