Without interrupting their busy sleep schedule, Australia’s cute, if cantankerous, koalas have turned a truism of genetics on its head. In short, the proliferation of certain koala populations shows ...

As koalas in southern Australia have grown from a few hundred to almost half a million, the marsupials show signs of regaining lost genetic variation.

Some koalas may recover their genes after major population crashes. Growing koala populations may rebuild genetic strength over time.

In 1995, panthers from Texas were introduced to the Sunshine State in an attempt to preserve the Florida panther population from inbreeding leading toward extinction. A new study shows that inbreeding ...

Currently, there are more than 157,100 species listed on the IUCN Red List, with more than 44,000 species threatened with extinction, including 41% of amphibians, 36% of reef building corals, 34% of ...