From the beginning of time to the origins of life, our "when" special series tackles the timing of crucial events and the ...

The more we discover about our species' family tree, the harder it becomes to pinpoint when exactly Homo sapiens emerged, ...

The origins of human language remain mysterious. Are we the only animals truly capable of complex speech? Are Homo sapiens ...

Humanity may not be extraordinary but rather the natural evolutionary outcome for our planet and likely others, according to a new model for how intelligent life developed on Earth.

Jean-Jacques Hublin discovered Homo sapiens fossils that pushed back our species’ origins by 100,000 years. Now, in a new book, The Tyranny of the Brain, the French paleoanthropologist traces the ...

The story of human evolution in ancient past is said to be written in our modern bodies. In his book “Descent of Man,” Charles Darwin talks about vestigial structures. A vestigial structure is a body ...

Every few hundred thousand years, Earth’s magnetic poles flip, turning north into south and south into north. These ...