Our Sun, the celestial body that has nurtured life on Earth for billions of years, is not eternal. This massive ball of gas ...

Martin models the evolution of life on Earth in a few minutes using the visual aid of a walk through timeline. From 4.6 billion years ago when the Earth was red hot, the timeline illustrates the ...

The story of life on Earth is deeply intertwined with the evolution of photosynthesis, a process that transformed the ...

Paleontologists analyze concretions—hard orbs of minerals that can collect around material like bone—and discover fossils of mammals that lived on Earth just after an asteroid killed the ...

explore the history of life on Earth as we know it today, from the earliest bacteria to the first modern humans. To launch the interactive, click on the image at left.—Lexi Krock ...