So incredible to witness a birth in the wild.

When people talk about saving wildlife, they often focus on numbers. Conversations center on how many deer live in a forest, ...

Some animals are capable of parthenogenesis, a reproductive process in which females produce offspring without fertilization.

These flies lay eggs on open wounds, and their larvae feed on live flesh. And a case was just stopped in a Florida quarantine ...

Both the UK and US Governments have pledged to end research using animals, but is such a goal realistic? And how might it change medical research? Talha Burki reports.

Long before today’s tree-dwelling sloths, a 4-ton giant roamed South America — and it may have stood and fought like a bear.

Epaulette sharks can produce eggs without any detectable rise in energy use, surprising scientists who expected reproduction to be costly. By monitoring metabolism, oxygen consumption, and hormones, ...

A house isn’t always just for people. Whether you live in a city apartment or a quiet suburban home, you probably share your space with a few uninvited but mostly harmless animal guests. These small ...