Scientists have pieced together a pretty clear picture of what life was like on Earth thousands, even millions of years ago.

I recently read a fascinating book by Cambridge University zoologist Dr. Arik Kershenbaum called The Zoologist's Guide to the Galaxy: What Animals on Earth Reveal About Aliens—and Ourselves. I totally ...

What would our atmosphere look like if there were no life on Earth?

When we think of extraterrestrial intelligence that might be out there among the stars, we tend to think of creatures not too ...

Deep beneath the ocean’s surface lies a world so strange that some of its inhabitants look more like creatures from a science fiction movie than animals living here on Earth. With no sunlight, ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The First Church of Christ, Scientist, and we’ve always been transparent about that. The church publishes the ...