One Calgary, Canada, homeowner thought something didn't feel right when their homeowners association wanted to remove a tree.

Millions of animals are at risk, but what are the rarest animals in the world? These are some of the most endangered animals, ...

Nearly 200,000 people have signed a petition calling on U.K. multinational Jardine Matheson to cancel its plan to expand ...

However, human emotions about animals can affect wildlife conservation efforts, so it is important to know where these fears come from. We’ve compiled a list of the most common animal phobias, as well ...

TALLAHASSEE, Fla. — The Center for Biological Diversity notified the Trump administration today that it intends to sue over ...

Researchers said the sighting “brings hope for the species,” which is listed as critically endangered by the International ...

Iridescent sweat bees, hairy-faced mining bees, tiny Perdita minima the size of a gnat. Thanks to swarms of apiary ...

The Florida Keys mole skink is one of 11 species a pair of Southwest Florida environmental nonprofits have sued the Trump ...

From the bumblebee bat to the Baluchistan pygmy jerboa, here are eight of the world's smallest mammals who thrive in a world built for giants.

The endangered whales visit Bay each year, where researchers count and track them, hoping the species returns from the brink ...

The fastest shark in the sea is losing the race against extinction. Capable of reaching speeds of up to 45 miles per hour, ...