Here are 10 animals that have some of the highest levels of testosterone and the impact it has on their behavior and characteristics.

And that protection could have big impacts on local development.

Image Credit: Survival World ...

Every year from late December through March, scientists from the Beltran and Costa labs at UC Santa Cruz set out for the ...

The Naples Zoo has announced the unfortunate passing of its matriarch African lioness, Shani, who was humanely euthanized ...

The state of Welsh rugby should concern everyone invested in The sport is not durable enough to lose one of its established ...

In the kitchen of UC Davis Professor Emerita Sarah Blaffer Hrdy, overlooking a long dining table, hangs a painting by artist Isabella Kirkland.

Scientists urge India to halt importing African cheetahs due to habitat shortages and conservation concerns amid Project Cheetah's challenges.

Decades after its release into the wild, a super-ageing, bone-crunching vulture called Balthazar reveals a major conservation ...

April brings floodwaters, rich wildlife and fewer crowds to Botswana’s Okavango Delta, creating one of Africa’s most ...

The cougar ( Puma concolor) holds the Guinness world record for the mammal with the most names. It has more than 40 names in English alone, including mountain lion, puma, panther, ghost cat, deer ...