Elon Musk warns that population collapse is a significant threat to humanity. He highlights falling fertility rates and aging ...

Conflict around gray wolves has become so hostile, the U.S. government hired a mediator. Her task is a difficult one.

The resignation of Canada's prime minister Justin Trudeau has sparked intense discussions among immigration experts about the ...

Inflammation in the brain can reawaken dormant viruses, which may lead to the onset of neurodegenerative disease, a new study finds. New research has shown for the first time that repeated head ...