Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

There are seven continents on Earth, or so we learned in school. But it turns out that these designations are not as straightforward as they seem, and different scientists have different views on how ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...

Three continents are in the grip of deadly extreme heat, and Sardinia, a southern region of Italy, is projected to hit 48 degrees Celsius (118 degrees Fahrenheit) Tuesday. We’ve collected insightful ...

The Paris Olympics came to an end on Sunday night with an exciting closing ceremony to bid farewell to the games in which the best athletes from across the world competed for glory and the shiny ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." The impressive escarpments that line the coasts of continents speak to a geologic break-up that occurred ...

Africa is the continent most vulnerable to climate change, despite being responsible for just 2 to 3 percent of global carbon emissions and receiving only 3 percent of funding committed to climate ...