The Democratic presidential debates, which resume Sept. 12, have highlighted a deep disagreement over the future American health care system. Reflecting the anger of voters over medical costs, Sens. Bernie...

Once upon a time, not long ago, Mexicans dominated the flow of migrants coming to the U.S. Mexican migration expanded over the course of much of the 20th century and into the start of the 21st century.

That is no longer the case.

The number of Mexican...

The number of fires this year in the Amazon is the highest since 2010, reaching more than 90,000 active fires. Farmers and ranchers routinely use fires to clear the forest. But this year’s number reflects a worrisome uptick in the rate of deforestation, which had started to drop around 2005 before rebounding earlier this decade.

Many people bl...

Lots of people – including Congress – are worried about fake videos and imagery distorting the truth, purporting to show people saying and doing things they never said or did.

I’m part of a larger U.S. government project th...

We are twohistorians whose work focuses on American art and on how African Americans have shaped the story of...

Many of the public school gifted and talented programs that serve high-ability students don’t reflect the diversity of their communities. New York City, with roughly 1.1 million students, is an extreme example.

While roughly 4 in 6 of its kindergartners are black...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com.

Why does burping make noise? – Henry E., age 8, Somerville, Massachusetts

Burping is a normal part of everyday life.

Burps happen when air from your stomach...

Many of the public school gifted and talented programs that serve high-ability students don’t reflect the diversity of their communities. New York City, with roughly 1.1 million students, is an extreme example.

While roughly 4 in 6 of its kindergartners are black...

Tens of millions of Shiite Muslims from around the world will visit Iraq on Sept. 10 this year to see the shrines of Hussain, grandson of Prophet Mohammed, and his brother Abbas on the day of “Ashura.”

This annual pilgrimage marks the 10th day of Muharram, the first month of the Islamic new...

Imagine you’re dining out at a casual restaurant with some friends. After looking over the menu, you decide to order the steak. But then, after a dinner companion orders a salad for their main course,...