A new study suggests the platypus and echidna — the only egg-laying mammals — had a water-dwelling ancestor. The finding ...

Professor Emily Jane McTavish and colleagues at the Cornell Lab of Ornithology have mapped the evolution of every known bird ...

Scientists have confirmed that Dickinsonia, a 558-million-year-old fossil, is the world’s oldest known animal, pushing back ...

Imagine stumbling upon a hidden vault that preserves whispers from a world over half a billion years ago—a time when life on ...

Earth’s history is filled with incredible milestones, and the emergence of the first animals is one of the most captivating.

Scientists discovered complex life may have started 1.5 billion years earlier than previously thought thanks to phosphorus.

This creature lived around 500 million years ago during the Cambrian period, and its bizarre features challenge the typical view of early animals. Its odd anatomy suggests that early life forms may ...

For years, a mysterious fossil specimen defied categorization, until one paleontologist made a surprising discovery.

35,048 people played the daily Crossword recently. Can you solve it faster than others?35,048 people played the daily Crossword recently. Can you solve it faster than others?

In a quiet part of what is now South Australia, more than half a billion years ago, life was locked in battle. The ocean ...

The Cambrian period is famous for what scientists call ... that predation played a pivotal role in the proliferation of early animal ecosystems,” Bicknell said. “It shows the rapid speed ...