For a small number of animals, reproduction marks a biological endpoint rather than a stage in an ongoing life cycle. Death ...

An Instagram post about the last two northern white rhinos references a scenario conservationists have warned us about for ...

Meet animals that grow for a lifetime, sometimes for centuries, and discover why dinosaurs did not, despite their huge size.

A large-scale analysis of 117 mammal species found that preventing reproduction is associated with longer lifespans, suggesting a strong link between reproductive activity and life expectancy. Why do ...

Find out which animals live the longest and what clues this gives us for potentially slowing down human aging.

It is a wonder-filled, sometimes puzzling, and even shocking world out there in the animal kingdom. One of those kickoff ...

A new study from the multidisciplinary brain research center at Bar-Ilan University found that jellyfish and sea anemones ...

The twins were born to a 22-year-old female named Mafuko, who lost her own mother to armed individuals. The extremely ...

As herds rely on fewer replacement heifers, the stakes for getting each one pregnant at the right time are higher than ever.

A groundbreaking new study from Bar-Ilan University shows that one of sleep's core functions originated hundreds of millions ...

Water levels, plant life, and wildlife behavior shift constantly. What looks quiet on the surface often reflects ...

For 35 years, American zoologist Laurie Marker has been collecting and storing specimens in a cheetah sperm bank in Namibia, ...