A new study suggests mammals shrink when Earth heats up...

An inmate was struggling to contain his emotions as Texas prison officials moved him to a small cell near the death chamber where he's set for lethal injection...

U.S. regulators have approved a new drug as an initial treatment for postmenopausal women with a type of advanced breast cancer...

Cystic fibrosis patients are living longer than ever, but new research shows Canadians have about a 10-year survival advantage over Americans with the same genetic disease...

Great white sharks are discovering what tourists have known for years: Cape Cod is a great place to spend the summer...

Maine's booming lobster industry has a big problem involving a little fish...

The Ohio State Highway Patrol says a death row inmate who killed himself was found hanging in his cell...

The state says an Ohio man condemned to die for the slaying of his former girlfriend in 2000 has killed himself on death row...

Michigan plans to offer a prize to someone who can come up with a way to put the brakes on Asian carp...

A federal study says more shrubs growing on Arctic tundra likely will have little effect on the abundance of most bird species until the vegetation grows tall...