The advent of land plants changed the planet forever.
When there's no snow, there's no need for their winter whites.
The first organism to be able to walk actually never did.
When the crocs reach their full size, they become trapped inside the caves for the rest of their lives.
This makes 11 total Archaeopteryx specimens.
If the same rate of degeneration continues, the Y chromosome has just 4.6 million years left before it disappears completely.
The work shows "how important serendipity is for evolution."
A professor who specializes in evolution education, and who is from Moore's hometown, weighs in.
This 530 million-year-old fossilized eye is the oldest evidence of this important organ, and shows just how little the eye has changed in the past half a billion years.
Spongebob is a very primitive creature.
The remarkable adaptation could save this endangered population.
The prokaryotic fossils represent the planet's oldest-known form of life.
Scientists compare human brain to chimps and macaques to find out how we evolved our unique identity.
The Dali skull is so old that archaeologists initially didn't believe it could share features with modern Homo sapiens.