Deep inside a fossil-filled cave in the Dominican Republic, researchers uncovered evidence of an unexpected interaction between ancient owls and solitary bees. About 20,000 years ago, a family of owls ...

In northern South America and on some Caribbean islands, inhabiting regions of Colombia, Venezuela, Trinidad, Curaçao, Aruba, ...

New fossil evidence from China suggests that some of our vertebrate ancestors had four eyes. The study, published in Nature, ...

In September 1968, the Soviet Union’s Zond 5 mission looped around the Moon and returned safely to Earth with two tortoises and a hidden biological payload, a quiet first in the lunar race. What came ...

The preservation of fossils of some of the oldest known vertebrates is so impressive that palaeontologists can not only count their eyes, but determine how they worked. The findings demonstrate that ...

Red blood is the exception, not the rule. Evolution has painted it green, purple and white in animals that push physiology ...

At first glance, this mammal looks like a horse gone terribly wrong. But, in reality, Chalicotherium is far from a botched ...

Aquaculture is now the fastest-growing food production sector globally, supplying more than half of the fish and seafood ...

Naturalist David Attenborough embarks on a 500-million-year journey to track the rise of the vertebrates, which he considers one of the greatest stories in natural history. Attenborough uses recently ...

A genomic atlas of Nematostella vectensis reveals how primitive animals created multiple cell types millions of years ago, ...

A look at many of the more than 22,000 species of fish, from freshwater, to the deep ocean, to the colorful coral reef. We look at the origin of fish, how they breathe, why they have scales, and how ...