Varicose veins are a largely human problem. Here’s how walking upright, gravity and your genes stretch leg veins — and what ...

The hemoglobin in humans’ blood is not the standard for all critters—and one group of Antarctic fish are the only vertebrates ...

Amsterdam's new Art Zoo museum offers a unique experience with its eclectic collection of preserved creatures and artful ...

The video explores whether extraterrestrial life would look completely unfamiliar or whether evolution might repeatedly arrive at shapes already seen on Earth. Convergent evolution is used to explain ...

A female with 330 body segments and 1,306 legs. Image via Wiki Commons. For centuries, millipedes have been living a lie.

Why do humans get acne when other animals almost never do? An evolutionary biologist explains how oily skin, lost fur and modern diets made the pimple ours.

A crab scurrying sideways across the beach looks almost comically awkward, yet this strange gait conceals a surprisingly ...

Insects belong to a broader group of six-legged animals called hexapods. This group also includes other less well-known, ...

The first animals to venture out of the water and onto land wouldn't have been able to turn their heads and look around much, according to a new study ...

Taxonomic bias in ecology research is emotional, not logistical -- a survey of 868 animal behavior researchers shows ...

A model using new fossil evidence and biomechanical studies in a modern fish suggests the earliest land animals may have had ...

The question of when animals first evolved is one that has confounded scientists since the time of Charles Darwin. Studying rocks in north Wales in the mid-18th century, Darwin found the sudden first ...