Scientists mapped a hidden "sea of light" from hydrogen 9–11 billion years ago, revealing how the early universe was structured.

In some parts of the world, more than a billion years of geologic history is missing. Now a team of scientists think they ...

In geological layers around the world (particularly in the southwestern U.S.) roughly one billion years of rock are missing—a mystery known as the “Great Unconformity." ...

UC College of Arts and Sciences Professor Thomas Algeo has been studying the planet's five major mass extinctions since the ...

Lost fossils reveal that some of the first ocean predators went global astonishingly fast after Earth’s worst extinction.

A layer of rock just 520 million years old sat directly on top of ancient rock dating back 1.4 to 1.8 billion years.

Even Charles Darwin was puzzled by the evolution of the vertebrate eye. New research suggests that it traces back to a ...

When the supercontinent Pangea began to fragment around 200 million years ago during the Early Jurassic, it reshaped the face of the planet. Vast new oceans opened, continents drifted apart and the ...

Human evolution has long been tied to growing brain size, and new research suggests prenatal hormones may have played a surprising role. By studying the relative lengths of index and ring fingers — a ...

This has been quite the wild year in human evolution stories. Our relatives, living and extinct, got a lot of attention—from new developments in ape cognition to an expanded perspective of a ...

One of the most important steps in the evolution of modern mammals was the development of highly sensitive hearing. The middle ear of mammals, with an eardrum and several small bones, allows us to ...