Smithsonian researcher Sarah Johnson studies bison specimens to understand how the species’s genetic diversity changed after its decline ...

UC College of Arts and Sciences Professor Thomas Algeo has been studying the planet's five major mass extinctions since the ...

Amphibians and reptiles face an unprecedented global extinction crisis, with a significant proportion of species threatened with disappearance. Amphibians ...

Neuroscientists identify a CRF-neuron "switch" in the brain's BNST region that, when activated, allows for significantly faster unlearning of fear responses.

Unlearning fear responses is a fundamental learning process in the brain. It allows us to flexibly react to formerly ...

Exclusive: Colossal CEO Ben Lamm and lead scientists give up an update on the woolly mammoth project and discuss how the public image of de-extinction is changing.

For more than 50 years, scientists have been freezing living cells from endangered species. Here’s how the Frozen Zoo® is ...

Colossal Laboratories & Biosciences, which has produced a trio of modern-day dire wolves and the woolly mouse, seeks to bring back extinct species.

A comprehensive new review paper reveals the staggering loss of biodiversity among island land snails globally. Lead author Robert Cowie of the University of Hawai'i at Mānoa's School of Ocean and ...

If you want a quiet but brutally clear signal of how badly biodiversity is unraveling on islands, look at land snails. A major new review led by Robert Cowie at the University of Hawai‘i at Mānoa ...

The predatory flatworm Platydemus manokwari in the Ogasawara Islands, head on right, length ca 8 cm. Along with rosy wolf snails and rats, these invasive flatworms have had a devastating impact on ...

The stomach of an Ice Age puppy is shedding new light onto the woolly rhinoceros and what—or what didn't—cause these horned giants to die out. Reading time 3 minutes Yesterday’s lunch can sometimes be ...