Sometimes people feel the "call of the void," an unexpected urge to jump from a dangerous place. Here's why.

  By WG  Dec 14, 2021

Humans have been fighting viruses throughout history. Here are the 12 viruses that are the world's worst killers, based on their mortality rates, or the sheer numbers of people they have killed.

  By WG  Dec 14, 2021

Thwaites Glacier is roughly the size of Florida, and holds enough ice to raise sea levels over two feet. New research shows that the collapse of its ice shelf may be just a few years away.

  By WG  Dec 14, 2021

Scientists tested seven different predictions, in one of the most ambitious and involved challenges to general relativity ever undertaken — and the theory passed with flying colors.

  By WG  Dec 14, 2021