I am hiking along the Metacomet Ridge in Greenfield, Massachusetts – a rather steep basaltic structure, modestly less than five hundred feet high and topped by a stately brick tower constructed in ...

Researchers mapped a pulsing mantle plume under Afar that channels molten rock upward, stretching Africa’s crust until it cracks and an ocean basin begins.

The Earth’s crust is disappearing right beneath our feet – and most people don’t even realise it.Now, if you’re a geologist, or got a keen interest in how the Earth is put together, then this probably ...