When it comes to Fahrenheit vs. Celsius, the world is in agreement—mostly. Here's why the United States is still stuck on ...

A team led by researchers at the University of Oxford has created the most complete map of the world's rivers ever made, ...

An image of the Earth's "oceanic hemisphere" has gone viral on Twitter, racking up more than 33 million views as it showed a ...

China has overtaken the U.S. in net favorability and enjoys far more support across the globe, according to a new report.