Over four millennia ago, in the final days of the Akkadian Empire in Mesopotamia, a drought swept over the region, afflicting lands as far away as Greece and what’s now Pakistan. Probably driven by ...

In the 20th century, scientists began to suspect Earth was a lot older than we thought. It was our old friends/deadly foes, ...

From a deep dive on a fatal space shuttle disaster to a study of a dozen iconic trees, these are our favorite titles this year Joe Spring, Riley Black, Shi En Kim, Dan Falk, Christian Elliott and ...

Welcome to the SciFri Book Club page about Riley Black’s When the Earth Was Green. There’s lots of ways to participate: Read the book, join our community space, attend an event, read an excerpt, sign ...