Un análisis químico de una área puede determinar cuánta contaminación hay en el aire. Pero hay un método mucho menos costoso que podría ayudar a las comunidades más pobres.

A chemical analysis of an area can find out how much pollution is in the air. But there's a much less expensive method that could help poorer communities.

In 1980, the policy of denying entry into the US based on homosexuality ran smack into anticommunism.

The brilliant hues of autumn are created by a variety of factors that shift year by year. A warming planet is already one of them.

The ultimate conspiracy theory may be the charge of Jews killing Christian children.

Orientalism is alive and well in the wildly popular franchise, argues one scholar.

There's a big difference between how salespeople in traditional department stores and big-box retailers interact with their customers.

Maryrose Reeves Allen founded a wellness program at Howard University in 1925 that emphasized the physical, mental, and spiritual health of Black women.

Climate change is transforming the Big Apple. How long will it be until America’s largest city is all but wiped off the map?

A hundred-year-old red oak in a Massachusetts forest told a writer and a team of scientists secrets about change over time.