Earth Day began as a protest in 1970, but its meaning has evolved. Here’s how it changed - and what it represents today.

Earth Day 2026 arrives alongside two converging forces: a rapidly intensifying climate crisis and the largest wave of global ...

On Wednesday, January 14, 2026, the coolest library on Earth was inaugurated at the Concordia station, Antarctica. Samples from glaciers rescued worldwide are now beginning to be stored there for ...

From the highest mountains to the deepest oceans, the breath of life as we know it depends on a single, vital element: oxygen. Our planet's atmosphere is currently a vibrant, oxygen-rich blanket, ...

This video explores what Earth could look like 250 million years in the future based on plate tectonics and world atlas ...

Add Yahoo as a preferred source to see more of our stories on Google. In 1998, Bruce Willis saved the world by blowing up an asteroid threat in “Armageddon.” In 2022, NASA did the real thing, crashing ...

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...