El Niño is officially here and may cause temperature spikes and major weather events, scientists warn

Scientists link genes to diet in inflammatory bowel disease

Cosmic Houdini: Scientists Baffled by Mysterious Planet That Should Have Been Destroyed by Its Star

Catastrophic climate 'doom loops' could start in just 15 years, new study warns - Climate "tipping points," such as the loss of the Amazon rainforest or the collapse of the Greenland ice sheet, could come within a human lifetime, scientists have said.