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Greenland sharks roam the freezing depths of the Arctic and North Atlantic, far from where humans swim or dive. Slow-moving ...

Recent excavations in South America have unearthed a fascinating glimpse into the prehistoric world, revealing the existence of giant, elephant-sized sloths that once carved massive, 2000-foot-long ...

A fossil mosasaur skull and partial skeleton excavated from Angola’s costal cliffs. Credit Hillsman S. Jackson, Southern Methodist University. The story of prehistoric ocean life that emerged in the ...

He lived hundreds of thousands of years ago, eking out an existence in what is today central China. Sporting a squat neck and a big brain, he likely wielded tools made of stone and hunted or scavenged ...

Ancient, fossilized teeth, uncovered during a decades-long archaeology project in northeastern Ethiopia, indicate that two different kinds of hominins, or human ancestors, lived in the same place ...