Hundreds of millions of years ago, animals crawled out of the oceans for the first time and ventured onto dry land. The rest ...

The first fish to crawl onto land 375 million years ago was discovered in 2004. It became a media darling. Now, for the first time, you can see it in person. Ted Daeschler, who discovered the first ...

Add Yahoo as a preferred source to see more of our stories on Google. Even though scientists like me weren’t around to see for ourselves what was happening on Earth so long ago, we use geologic clues ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American When you launch a human body into space, ...