Learn how dopamine helps encode and extinguish fear in the brains of mice.

Peruvian remains of a ruler were unearthed at a former dump. The clothing and objects buried with the woman indicate high ...

Learn how our brains store memories, and why sleep is needed to retain old memories and prepare for new ones.

For the first time, astronomers located a molecular cloud by detecting hydrogen, its key component, rather than other ...

Analysis of single bone may tell us if the platypus is an evolutionary anomaly — starting on land, then returning to water.

Learn more about Bolivia's Uturuncu, a zombie volcano that seems to be waking up.

The discovery of the new species of crocodile sheds fresh light on the need for conservation efforts.