One of Earth’s earliest mass extinctions wiped out most ocean life during a sudden global ice age. From the ruins, jawed vertebrates survived, diversified, and transformed the course of evolution.

Each year Jon Allen, an associate professor of marine biology at William & Mary, gingerly removes the anemones and brittle ...

On the brink of extinction, just several hundred Hirola antelopes persist in Kenya, with a local leader spearheading their ...

Almost two-thirds of Australia is privately owned. But most of our scientific understanding of how threatened species are ...

Of all the intriguing insects out there, the Photuris firefly has always been one of my favorites. This “femme fatale” uses ...

Scientists from the California Academy of Sciences described 72 new species last year, from elegant birds to strange sea ...

Mushrooms that appear identical turn out to be different species, correcting decades of errors in biodiversity records.

Some worms are a welcome sight to see in your garden -- but others you'll want to get rid of. Here's how to tell which worms ...

Abstract: This study investigates the importance of physical characteristics in classifying Millettia species, using Information Gain (IG) to rank eight physical features, finding “habit” to be the ...

A new species of shrew, Soriculus dexingensis, is discovered in Tibet, raising the number of known shrew species there to six ...

Cal Academy scientists described 72 new species in 2025, including a Galápagos heron and a new sunflower genus.

Academy researchers identified 72 species new to science in 2025, including the newly recognized Galápagos lava heron, a shy deep-sea fish, and a rare sunflower relative found in a U.S. national park.