A new study presents the first genetic evidence of resistance in little brown bats to the deadly fungal disease white-nose syndrome.

It defies past thinking about evolution, but new research documents the inheritance of acquired traits among butterflies.

Tests with orangutan teeth indicate that our early human ancestors could have eaten some really hard plant parts.

When and why did animals evolve the ability to shout, bark, or bellow? Researchers looked at hundreds of millions of years of evolution to find out.

Scientists have sequenced the entire genome of the giant squid, a 10-armed invertebrate believed to grow up to 42 feet and weigh close to 2,000 pounds.

A 550-million-year-old fossilized digestive tract could shed light on the early history of animals on Earth and a key moment in evolution.

The genome sequence of a water lily sheds light on the early evolution of angiosperms, the group of all flowering plants.

Fossils of ancient fish are giving resarchers a clearer picture of the time of transition from fish fins to limbs fit for walking on land.

Dogs process numerical quantities in a brain region similar to the one humans use, which could shed light on the evolution of "numerosity."

A 35 million-year-old whale fossil is a brand new species and represents an intermediate stage between foot- and tail-powered swimming.