40,000-year-old blood brings mammoth cloning closer

Principles of sequence stratigraphy

Paleontologists name new armoured dinosaur

Geologists shed light on formation of Alaska Range

Danube River

Iceland volcano spewing smoke

Deep-Earth carbon offers clues on origin of life

Volcanic ash clouds can cross Atlantic Ocean

Erosion may trigger earthquakes

Mexico’s Volcano of Fire blows huge ash cloud

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