By Kristine Sabillo A pair of Galápagos tortoises in their 90s recently made headlines for successfully producing offspring ...

Researchers suggest that ground-based mammals fared better than their arboreal relatives during the end-Cretaceous extinction ...

Genetically modified, cannibal tadpoles may be the solution to Australia’s nearly century-old invasive cane toad problem.

Infections with parasites often entail no recognizable signs in many wildlife species, but can have still negative effects across generations. Infected animals often have a slightly reduced body size ...

Driven by instinct, some species have developed effective yet bizarre ways to ensure their offspring have the best chance of survival. One of the oddest parental strategies on display in nature — like ...

Four rare Western Santa Cruz Galalapos tortoise hatchlings will go on public view at Philadelphia Zoo starting April 23.