A Texas sheriff's deputy who was jailed on charges he sexually assaulted a 4-year-old girl and threatened the child's mother with deportation has died from an apparent suicide...

Scientists studying the collapse of bird populations in the desert along the Nevada-California border say climate change could be to blame...

Not Fake News: The German government says it has made no preparations for the possibility that aliens might land in the country...

Cyprus' Green, Loggerhead turtles make comeback thanks to island's pioneering conservation efforts...

Even the oceans are breaking temperature records in this summer of heat waves...

Scientists are investigating an unprecedented algae bloom in Lake Superior and have sent samples for lab testing to determine if it's toxic...

Researchers carrying out unprecedented efforts to save an ailing killer whale have released live salmon into waters in front of the free-swimming orca...

New way to track millions of genetic variations promises better forecasting of people's risk for heart attacks, four other disorders...

Red tide is killing marine life, hurting tourism and upsetting beach lovers in Florida...

Researchers say an endangered killer whale that drew international attention as she carried her dead calf on her head for more than two weeks is finally back to feeding and frolicking with her pod...