An Expert Says He's Found Evidence Humans Are Still Evolving

Severe Allergic Reactions to Pfizer Vaccine Are 'Exceedingly Rare', Scientists SayUS COVID-19 Cases Are Surging. Here's Why Natural Herd Immunity Is Still a Long Way Off

Experts Worry COVID-19 Vaccines May Not Work as Well Against The South African VariantHere's What Science Says About The Best Ways to Quit Smoking in 2021Study of Over 50,000 People Links Brown Fat With Better Health Outcomes

Who Is at Risk of Long COVID? Here's What Scientists Know So FarNew Discovery Could Lead to Cheaper And More Efficient Water Desalination

Here's Why Group Exercise May Be More Effective For You Than Solo Workouts

Exercising in The Cold Could Burn Off More Fat, New Research ShowsSomething Really Cool Happens When You Use Banana Peel as an Ingredient

New Blood Test Accurately Predicts Alzheimer's Years Ahead of First SymptomsAutism Can Make Sleep a Real Challenge. Here Are Some Handy Tips For Bedtime

These Medications Don't Mix Well With Alcohol. An Expert Explains The RisksCommon Red Food Dye Linked to Bowel Inflammation in Mouse Study