Learn how the Doomsday Clock serves as a potential indicator for health crises, including substance use disorders and Alzheimer's.

Over the last century, the dangers threatening humanity have evolved with rapid scientific and technological progress. Nuclear weapons, once a theoretical menace, became a reality in World War II and ...

Signs of weakness are showing up in spending on everything from basics to luxuries.

The portraits of Edvard Munch contain hidden psychological depths. Here's our pick of the top five masterpieces in a new show ...