From brown bears to beluga whales, explore the incredible wildlife that thrives in Alaska’s remote and roadless Lake Clark ...

A new study finds a link between chemicals and bone loss that could damage males' penises, potentially harming reproduction.

Chris Hemsworth, Alzheimer's and why Hollywood is suddenly obsessed with caregiving Ex-deputy cop allegedly called ...

The mating ritual of leopard slugs is surprisingly intimate, with intricate movements that ensure the survival of the species.

Rut is a term used to describe the behavior of deer during the breeding season when males pursue females that are in estrous ...