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

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

In 1989, paleontologist Darren Tanke suggested that similar breaks were the result of mating as one dinosaur mounted the ...

Some animals reproduce only once before dying. This life strategy, called semelparity, sees organisms channel all energy into ...

Beauty may be in the eye of the beholder, but everyone knows “cute” when they see it. You can’t miss it in eastern quolls, adorable little spotted marsupials that are native to Australia. In March ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Eric's career includes extensive work in both public and corporate accounting with ...

Human Reproduction is a peer-reviewed scientific journal covering all aspects of human reproduction, including reproductive physiology and pathology, endocrinology, andrology, gonad function, ...

January 2, 2026: Happy New Year! We looked for new Party Animals codes and verified our existing list. What are the current Party Animals redeem codes? Take Fall Guys, add puppies, and you've got ...

Animal-assisted therapy is a therapeutic intervention that incorporates animals, such as horses, dogs, cats, and birds, into the treatment plan. The client, therapist, and animal work together in ...

Animal behaviour is the scientific study of the behaviour of animals. The discipline covers study under experimental conditions, behaviourism, or natural conditions, ethology. Over a decade of data on ...

A bumpy snailfish, Andean mouse opossum and ancient sea cow were just some of the many species described in 2025.

Animal biotechnology is a branch of biotechnology in which molecular biology techniques are used to genetically engineer (i.e. modify the genome of) animals in order to improve their suitability for ...