Every year, on the last Wednesday of May, we observe...

The air around us isn’t empty. It carries molecules, gases,...

Long before Earth formed its first continents, Jupiter was already...

Lake Tahoe sits high in the Sierra Nevada, straddling the...

About 85 million years ago, when dinosaurs still walked the...

Coastal beaches can look calm, but they are brimming with...

From grounding airliners to fertilizing distant oceans, volcanic eruptions are...

Emotions have always been tricky. People often second-guess how others...

Major depressive disorder is a serious mental health condition that...

Climate change is often seen through numbers: temperature charts, sea-level...

Imagine two huge puzzle pieces of the Earth's outer shell...