Humans lost their ability to synthesize their own vitamin C because our ancestors had access to plenty of fruit.

Rocks from the Hadean Eon, the first period in the geological timescale, have been dated in Québec. These are some of the ...

Scopes trial, in which a Dayton, Tennessee, teacher was charged with violating state law by teaching biological evolution, ...

In 1921, William Bell Riley admonished his opponents that they should “cease from shoveling in dirt on living men,” for the ...

A mass extinction event wiped out around 90% of life. What followed has long puzzled scientists: The planet became lethally ...

Scientists have created an artificial RNA system that can copy itself using simple building blocks and temperature changes.

Strata: Stories from Deep Time’ explores the origins of the air we breathe and untangles some of our planet’s oldest stories.

Humans first evolved as a distinct species, Homo sapiens, around 300,000 years ago in Africa. In terms of biological time, we are a young species on this planet-- an unfinished animal, our evolution ...

The quintessential superhero has always stood for truth and justice, but the final part of his catchphrase has morphed to ...