Catie Leary writes and curates visual stories about science, animals, the arts, travel, and the natural world. The blue jay (Cyanocitta cristata) produces melanin, a black pigment, meaning that ...

Crawling alone through tight, winding passages deep underground, he came across something no one expected - strange blue holes hidden in the darkness. In this video, we retrace the journey, explore ...

Common Animals That Dig Holes In Yards There are many different critters who may be digging up your lawn and garden, but here ...

Science news this week includes a 72 million-year-old mosasaur unearthed in Japan and a startling theory about atom-size black holes. (Image credit: Getty Images - NASA's Goddard Space Flight Center) ...

In the U.S., 719 animal species are listed as federally endangered or threatened. Every state is home to endangered species—some well-known, some obscure. All are vital to their ecosystems.

Researchers are flocking to a 425-foot-deep "blue hole" off Florida's Gulf Coast next month in search of signs of life, among other things. The hole has been dubbed Green Banana.

The Devils Hole pupfish's natural habitat is a single water-filled hole in a cave in the Nevada desert. Its numbers at one point dwindled to just 35 animals. How does it manage to survive?

An animal hole that qualifies as an abnormal course condition — from which you get free relief — is defined as “any hole dug in the ground by an animal, except for holes dug by animals that ...

Elephants, crocodiles and many other wild animals will congregate around reduced watering holes during the dry season. They all drink from what seems like these bacteria- and feces-infested ponds ...

On an expedition to Guyana, scientists were excited to discover several new animal species, including a handful of beetles and butterflies. However, it was a small, iridescent blue tarantula that ...

While all endangered species are worth saving, it's no surprise that the cute and fuzzy members of the animal kingdom stand a better chance of protection.