Animal reproduction and breeding encompasses the full spectrum of natural, assisted and genetic processes that underpin the perpetuation, improvement and conservation of species across diverse taxa.

The energy invested in animal reproduction is as much as 10 times greater than previously estimated when the metabolic load of bearing and caring for offspring is accounted for, according to a new ...

Nature's most formidable predators are often female, employing calculated ferocity, intelligence, and evolutionary precision ...

These four images capture various starkly different realities within the animal kingdom — from family and play to survival ...

Eastern coyotes—a subspecies that has coyote, wolf and domestic dog DNA—run in a West Virginia forest. ForestWander.com via Wikimedia Commons under CC BY-SA 3.0 For well over a month, the internet has ...

Nature's oldest creatures defy aging rules. Greenland sharks live nearly 400 years. Ocean quahogs reach over 500 years.

Lucinda Aulsebrook does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Nature has produced some remarkably resilient creatures that can thrive in environments that would be lethal to most other forms of life. From the deepest ocean trenches to the highest mountain peaks, ...