Did you know the largest desert in the world isn’t hot? It’s cold! Surprised? A desert doesn’t need to be sandy—it just has to be very dry. Antarctica is the largest desert on Earth.

Some deserts are among the planet's last remaining areas of total wilderness. Yet more than one billion people, one-sixth of the Earth's population, actually live in desert regions. Deserts cover ...

This is the Sahara. The largest desert on Earth! Wow! It looks like it hardly ever rains here. Incredibly, there are still plants growing here. Like this acacia tree. It has long thorns that hold ...

One might assume that marine fossils are exclusively unearthed in sedimentary coastal or underwater deposits. This is far ...