From a telescope network that spans much of the globe to a psychology study that spans 67 countries, here are the biggest ...

The second installment in a review of Earth's over-heated, storm-tossed but also beauty-filled year.

The world's oldest rocks are spread across the globe and paint a picture of Earth's turbulent early history. Here are some of the most notable and important formations scientists have discovered.

Climate change has made great swaths of the planet drier and soils saltier, jeopardizing food production and water access for ...

The ring might have acted like a giant sunshade, causing a cooling effect that might have unleashed an ice age.

Standing tall with a vertical drop of an astonishing 11,500 feet (3,500 meters), it’s over three times the height of the ...