Experience Earth's entire evolution in just three minutes.

Experience 4.5 billion years of Earth's evolution by watching the full video above.

Over 40,000 seamounts—undersea mountains that don't breach the ocean's surface—are scattered across the ocean floor. Some ...

Bacteria are the most diverse organisms on Earth, with a number of species that's difficult to quantify. They're also incredibly old Bacteria consist of a single cell. They do not have bones and are ...

Geochemical traces of past environments are preserved in the geological record. Although secondary processes often erase this information, fluid inclusions in hydrothermal minerals act as time ...

Our understanding of the coevolution of Earth’s surface environment and the biosphere is built on 50+ years of data collection and interpretation. Given the addition of data, and reinterpretations of ...

Add Yahoo as a preferred source to see more of our stories on Google. Like many of us, Earth bears old pockmarks. Our planet’s crust has a band of ancient craters that formed around 465 million years ...

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 ...

A popular model of evolution concludes that it was incredibly unlikely for humanity to evolve on Earth, and that extraterrestrial intelligence is vanishingly rare. But as experts on the entangled ...