All the biggest science news stories of the week.

A new study reveals Greece’s Methana volcano experienced over 100,000 years of surface inactivity while magma accumulated underground, challenging the traditional definition of 'extinct' volcanoes.

A new study of Greece’s Methana volcano reveals it experienced a 100,000-year dormant period before erupting again, challenging the definition of 'extinct' volcanoes. Researchers found magma was ...

By reconstructing a 700,000-year history of Methana volcano, geologists found a prehistoric phase when it appeared inactive ...

Study reveals ancient volcanoes in Kazakhstan and a lost world beneath the steppe containing valuable hidden minerals ...

Those who venture into Foul Air Cave, below Buchan township in eastern Victoria, quickly realise how it got its ominous name. In its deepest chambers, bacteria consume oxygen and excrete organic gases ...

A once-common reef fish in the Galápagos has not been seen since 1983, raising the question of whether it has already disappeared. A recent study by Jack Stein Grove and colleagues concludes the ...

EDITOR’S NOTE: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

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The latest lava fountaining episode of an erupting Hawaii volcano reached 1,000 feet high Tuesday, prompting temporary closures at a national park and part of an important highway because of falling ...

Going to take off my meteorology hat and put on *** um Uh, earthy geologist had, and now I'm not *** geologist, but I do love science and I love earth science, and so geology, of course, is part of ...

Hawaii's Kīlauea volcano was putting on a spectacular show Tuesday evening, with its latest eruptive episode producing arching bands of red lava higher than some skyscrapers. Subscribe to read this ...