Earth's spin is slowing down and our days are getting ever-so-slightly longer. While the planet's rotation often speeds up and slows down over time, new research suggests the current increase in day ...

A collaborative team of scientists has discovered that life on Earth over three billion years ago relied on the metal molybdenum, which was incredibly scarce in the environment at the time. The study, ...

Geoscientists have long relied on different forms of lead to understand Earth's geological history and how it was created over billions of years. However, there is a mystery that has been puzzling ...

From our collaborating partner Living on Earth, public radio’s environmental news magazine, an interview by Jenni Doering with Peter Brannen, the author of “The Story of CO2 Is the Story of Everything ...

A dip in Earth's gravity field beneath Antarctica is helping scientists track deep-Earth changes over tens of millions of years. When you purchase through links on our site, we may earn an affiliate ...

Astronauts and robotic spacecraft have been capturing profound photos of Earth for decades. Earth Day is an annual celebration on April 22 focused on environmentalism and conservation. Iconic images ...

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 ...