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 ...

3. 25 Facts About Geologic Time That Made Our Brains Hurt 4. How Do We Know? A Glimpse into Geologic Sleuthing 5. Our Fleeting Moment in Deep Time 6. Frequently Asked Questions What if we told you ...

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 ...

A team of astrophysicists at the University of Toronto (U of T) has revealed how the slow and steady lengthening of Earth's day caused by the tidal pull of the moon was halted for over a billion years ...

SAN DIEGO — Taking care of our planet continues to be more important now than ever. With Earth Day coming up this Monday, CBS 8 wanted to take a look back at the history, now spanning more than 50 ...

Getting your Trinity Audio player ready... Editor’s note: The opinions of the smart, well-read women in my Denver book club mean a lot, and often determine what the rest of us choose to pile onto our ...

Life made the modern Earth as much as the Earth made life, a new book by a philosopher of consciousness argues. That dynamic leaves humans with a unique set of moral questions, Peter Godfrey-Smith of ...