Across the United States, lakes that once seemed pristine are now testing grounds for some of the most aggressive organisms ...

What do these creatures eat? It may well be the reason I've spent the past three years tackling this very question.

Invertebrates dominate the animal kingdom, making up 97 percent of all creatures. These animals, lacking a backbone, display ...

You might think of Australia's arid center as a dry desert landscape devoid of aquatic life. But it's actually dotted with ...

Most animals we know - mammals, birds, and reptiles, have bones that shape and support their bodies. Yet, many of Earth’s species live without a single bone. These are invertebrates, animals that rely ...

There are some pretty large animals in the world. Giraffes are notable for their long necks, and whales for their sheer size, but have you ever seen the biggest crab in the world? Coconut crabs are ...

Most forms of life cannot survive extreme environmental conditions, like excessive temperatures. Likewise, the significant majority of species on our planet have a set lifespan and cannot exist past a ...

For the first time ever, the genome of a knotty sea spider was sequenced in high resolution. Prashant Sharma / University of Wisconsin Though sea spiders have thrived for millions of years in a ...

When I was about 7 or 8 years old, my biology-professor dad brought me a present home from work: a jar of sticks. Or at least that’s what I thought it was. When some of them started moving he ...

A new analysis of more than 70,000 wild animal species reveals that climate change now threatens thousands of to the planet’s wildlife, along with overexploitation and habitat degradation. The study ...