Biodiversity

Tasmanian devils have been reintroduced to mainland Australia, where they haven't been seen in the wild for millennia.

Lacking human oversight, glitches in oil refineries and nuclear plants could lead to fires, nuclear explosions and fallout.

Scary portrayals of great whites in pop culture might lead some people to wonder if the world would be better off with no sharks at all.

Heavy rainfall in December buried plants under a heavy layer of ice.

Iron scales may not be enough to protect the scaly-foot snail from extinction.

Only in Florida.

Humans love cats, but the furry felines are stone-cold killers

Tens of millions of "freed" goldfish are thought to inhabit the Great Lakes.

Feral cats are driving many Australian species to the brink of extinction, and the government is stepping in.