Scientists have reported it for decades: overpopulation can impair reproduction. Crowded chickens lay fewer eggs. Crowded ...

Real Chicks Hatched From Fake Eggs in an Experiment That Sounds Like Science Fiction ...

A Fukushima mutant pig study shows how escaped domestic pigs rapidly bred with wild boar after the 2011 nuclear disaster.

Researchers have identified two previously unreported genetic mechanisms that could help explain how Greenland sharks – ...

But more than half a billion years ago this wilderness was an ancient seafloor home to the wrinkled pancakes, fleshy fronds ...

Pearls within a pearl oyster shell. Pearl oysters are important products in Japan, as they produce beautiful pearls that are sought after for necklaces, earrings, and rings. Credit: K. MIKIMOTO & CO., ...

Six years ago, scientists created a clone of an endangered U.S. species: a black-footed ferret named Elizabeth Ann. The ...

When Richard Dawkins’s first blockbuster book was published half a century ago, few genes had ever been sequenced or studied ...

Scientists in Australia are using cutting-edge DNA techniques to help save one of the world’s rarest marsupials — the critically endangered Gilbert’s potoroo, with fewer than 150 left in the wild. By ...

Colossal, the de-extinction company valued at $10.3 billion, announced this week that it has created an artificial egg; right ...