Plastic was invented to make our lives better. But our dependence on it has created an environmental crisis.
Who are the immigrants coming to the U.S. today?
The World Nomad Games in Kyrgyzstan feature impressive athletics to renew interest in central Asian culture.
Two experts weigh in on the pros and cons of the president blocking people on Twitter.
A political cartoonist comments on marine plastic pollution.
Scientists have discovered a mummified slab of 3,200-year-old cheese in an Egyptian tomb.
Around the world, women who work full-time usually earn less than men do.
During World War II, more than 110,000 Japanese-Americans were sent to internment camps
During the Civil War, Mary Walker Edwards became the first female surgeon in the U.S. Army.
Cesar Chavez helped unionize California grape pickers, demanding better conditions for workers.
When astronomer Galileo learned about the solar system, he defied the Catholic Church.