Sinkholes like the Middle Island one don’t have oxygen. Neither did Earth 2.5 billion years ago at the start of ... and scientists are using multibeam sonars to map the U.S. coastlines and the Great ...

An incredible mapping effort has revealed the mystery of what had until recently been Earth's missing continent ... these are the most tricky parts to map out and gain a full picture of.

On April 5, the Illinois Environmental Protection Agency (EPA) honored a group of creative fifth and sixth grade students selected for their artistic and writing skills used to express ...