The cuddly, colorful parrots have become a symbol of Valentine’s Day. Here’s what to know about the famously affectionate ...

There exists no ‘amyloid cabal’” in Alzheimer’s research, neurologist Dennis Selkoe writes in response to Charles Piller’s “Doctored.” ...

Red is the rarest hair color, but to understand why that’s the case, you need a basic grasp of the science. There’s a lot ...

New findings explain the Phoenix cluster's mysterious starburst. Data confirm the cluster is actively cooling and able to generate a huge amount of stellar fuel on its own.

Extensive evidence, including global temperature and sea ice data, shows Earth's climate is changing due to human activity.