What was Earth like billions of years ago? How did life emerge? And how did humanity come to dominate the planet? This video ...

Animals are not just inhabitants of the natural world—they are its architects. A new study led by Professor Gemma Harvey from ...

At the very beginning of its history, Earth was dry. How did it become a blue planet? A new theory could provide an answer.

Buying stocks is quick and straightforward once you have a brokerage account. Learn how with this step-by-step guide. Many, or all, of the products featured on this page are from our advertising ...