While lifelong partnerships may seem rare, many animals form bonds that last for years or even a lifetime. From birds that reunite with the same partner season after season to mammals that raise ...

The newly discovered fossil records suggest that mold-like single-cell organisms "set the stage" for the animal kingdom to evolve, the researchers wrote in a new report, published in the journal ...

For many pack animals, living in a large group can mean the difference between life and death. In this video, we explore 12 animal species that show how herd living offers benefits that go far beyond ...

A Canadian geologist may have found the earliest fossil record of animal life on Earth, according to a report published Wednesday in the journal Nature. Around a billion years ago, a region of ...

The question of what non-human animals experience is front and center in the zeitgeist. The acclaimed book An Immense World, by science journalist Ed Yong, delves into the remarkable sensory ...

Kali Holder, a veterinary pathologist at the National Zoo, is motivated by problem-solving and a passionate curiosity about nature. Image: courtesy of Kali Holder When an animal becomes endangered, it ...

For the first time, scientists observed tubeworms and other complex ocean creatures dwelling beneath hydrothermal vents. By Robin George Andrews Off the western shores of Central and South America, ...

Cold weather changes everything. Life slows down, movement reduces, and survival becomes harder. While humans add layers and stay indoors, animals have their own ways of dealing with the cold. Most ...