13 people detained over Istanbul attack
Turkish authorities say at least nine other people suspected of communicating with ISIS were also arrested in another city in the country.
Body parts wash ashore near Rio Olympic venue
Body parts were found on Copacabana beach, the site of the world's largest New Year's Eve celebration and Olympic sand volleyball.
Former jihadi deradicalizes ISIS through Twitter
Mubin Shaikh is a counter-radicalization expert. He's also a former jihadi and undercover operative. Now, he tries to deradicalize extremists online.
EgyptAir black box points to smoke and fire
Some of the wreckage from the front of the plane was damaged by high heat.
Diamond fails to sell at Sotheby's auction
Apparently, $61 million wasn't enough to take home one of the largest diamonds in the world.
North America teams up to fight climate change
Among the new goals, generating 50 percent of our electricity from clean power sources.