Nigeria is Africa’s biggest oil producer.
It took 100 years, but finally, scientists proved Albert Einstein’s theory that gravitational waves exist.
U.S. presidential candidates are talking about the problem of high costs in higher education.
Indian officials say they believe a meteorite killed a man on Sunday in the southern state of Tamil Nadu.
Andra Day’s life changed when Stevie Wonder called her on the telephone.
President Barack Obama is asking Congress for more than $1.8 billion to fight the Zika virus in the United States and other countries.
In English, if you are getting “the red carpet treatment,” it means you are being treated well.
Olson’s company is called 3D Photoworks.
The leading measure of Japanese stock prices dropped more than 5 percent Tuesday.
Donald Trump and Bernie Sanders easily won the New Hampshire presidential primary election Tuesday night.