If the Entire History of Earth Were Just One ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of Earth 200 million years ago as Pangaea, the last supercontinent, began to break apart. The continents we live ...

About 4.5 billion years ago, the most momentous event in the history of Earth occurred: a huge celestial body called Theia collided with the young Earth. How the collision unfolded and what exactly ...

Explore 25 Major Events in Earth's 4.5 Billion Year History. Discover pivotal moments from its formation to the rise of life.

Earth Day is celebrated across the country, and the globe, through the mobilization for environmental causes. While it may seem strange to think of a world without ecological awareness, there was once ...

Earth Day is an annual celebration that raises awareness of the need to protect Earth's natural resources for future generations. But just how did Earth Day come to be and what are some simple steps ...

Tiny bits of Earth’s atmosphere have been drifting to the moon for billions of years, guided by Earth’s magnetic field. Rather than blocking particles, the magnetic field can funnel them along ...