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The rapid decline of the British-Irish Ice Sheet thousands of years ago may hold lessons for how melting ice sheets in Greenland and Antarctica will influence sea-level rise in the future. In an animation that spans tens of thousands of years,...

Two tiny pterosaur fossils, each smaller than a mouse, have finally solved a puzzle that has mystified paleontologists for decades. The perfectly preserved hatchlings, nicknamed “Lucky I” and “Lucky II,” were discovered in Germany’s famous Solnhofen limestone formations and reveal...

A newly discovered crater suggests a second impact that would have triggered underwater landslides and tsunamis On its own, the dinosaur-killing asteroid had a staggering impact: Wildfires raged across the continents, tsunamis pummeled coastlines and about three-quarters of Earth’s species...

The first people to arrive in the Western Hemisphere were Indigenous Americans, who were descended from an ancestral group of Ancient North Siberians and East Asians. They likely traveled along the Bering Land Bridge by land or sea. When the first Americans...

Glaciers you’ve never heard of could be the most important climate havens. They’re called rock glaciers, and they might not look like much, but they’ll continue to provide meltwater after the world’s iconic white glaciers are gone. Rock glaciers are slow-moving masses...

Background The 4.5 billion-year-old Earth is the only known astronomical object to harbor life, giving rise to billions of species of stunning diversity, including ours, Homo sapiens. It has formed the backdrop of an estimated 110 billion human lives. At 13.1 septillion pounds and...

“To see a world in a grain of sand”, the opening sentence of the poem by William Blake, is an oft-used phrase that also captures some of what geologists do. We observe the composition of mineral grains, smaller than the width...

To date, Earth is the only planet we know of that has continents. Exactly how they formed and evolved is unclear, but we do know – because the edges of continents thousands of miles apart match up – that, at one...