An effort to understand Earth’s past climates uncovered a history of wild temperature shifts and offered a warning on the ...

At times during the past half-billion years, carbon dioxide warmed our planet more than previously thought, according to a ...

The Earth: a ringed planet, much like Saturn, surrounded by a hula hoop of asteroids. The summit of Mount Everest: a tropical ...

Earth is an extraordinary place, filled with remarkable creatures and landscapes that often surpass our understanding un ...

By Karen Zraick New Look at Landslide Potential Shows 44% of U.S. Is at Risk Earth’s warming could trigger sweeping changes in the natural world that would be hard, if not impossible ...

Evidence suggests Earth had a ring system 466 million years ago, causing a surge in meteorite impacts and possibly ...

A ring could explain a mysterious arrangement of impact craters near the equator and might even have caused an ice age, ...

Not only did the season 1 finale confirm that the character is an Istar/Istari (otherwise known as a wizard in Middle-earth parlance), but one line clues us in even further to The Stranger's identity.

Making UNESCO's World Heritage List means protection and prestige for some of the world's most famous sites—and some of the not-so-famous. See how much you know about these special places. Become a ...

While we know the GDP per capita country-wise for them, let’s see why the top 10 economies from the list above became the richest in the world: Luxembourg, with its high GDP per capita and ...