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The Trump administration has eliminated or replaced references to climate change, renewable energy and similar topics on websites across the federal government, according to a new study released Wednesday by a coalition of academic and nonprofit groups.

CODIS -- the FBI's Combined DNA Index System, containing genetic evidence gathered from crime scenes and serial offenders -- helps cops nab criminals. Now, a similar DNA database is helping link international traffickers of rhinoceros horns to the scene of a poaching, according to a study published Monday in the journal Current Biology.

North Korea has agreed to send a delegation to next month's Winter Olympics in South Korea and to hold talks with Seoul to ease military tensions, in the most significant thaw in relations between the neighboring states in years.

Never mind high-pressure peace talks that fail amid the looming threat of warfare. Try wrestling or ping-pong diplomacy instead.

In a joint statement, North and South Korea have agreed to hold military talks. CNN's Will Ripley reports.

Roughly 3,700 people were arrested during recent anti-government protests in Iran, one of the country's lawmakers claimed on Tuesday.

It was a brief moment of unity. A picture which was shared around the world.

Most people love peace and sports. But the sudden rapprochement between North and South Korea over the Winter Olympics pretty much trashes most norms of diplomacy.

As the Winter Olympics kick off next month, all eyes will be on the Gangneung Ice Arena in Pyeongchang -- especially if figure skaters Ryom Tae Ok and Kim Ju Sik take to the ice.

This photographer collaborated with survivors of rape in Haiti to capture intimate portraits that overcome stigma and victimization.