Contrary to popular thinking, the period of arrested development is an active state of maintaining muscle integrity.

An extinct rodent relative of the capybara appears to have had a smaller brain-to-body ratio than similar species.

Microscopic plant remnants found near the bones indicate that the ancient humans practiced burying rituals, but the archaeological field is not in full agreement.

A population of North Island robins in a New Zealand sanctuary provides a unique system for investigating the memory skills of birds in the wild.

A study points to the existence of an ancient human relative that interbred with Homo sapiens.

Planarian flatworms grow to double their normal size when scientists inhibit a gene that suppresses growth.

The click beetle’s intricate false eyes cast a deep black color with the help of pigment-coated hairs.

Evolution imbued ants with an agriculture strategy that optimizes food rewards.

A new study shows wolf pups responding to vocal encouragement from humans.