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ISIS is claiming responsibility for Sunday's deadly attack on a nightclub in Istanbul, Turkey. CNN's Ian Lee reports.

A New Year's celebration in an upscale club in Istanbul turned deadly, with at least 39 revelers killed, and almost 70 people in hospital after a gunman started shooting. CNN's Ian Lee reports.

Harry Hurt, the author who penned a 1993 biography critical of Donald Trump, says the President-elect asked him to leave a Trump-owned Florida golf course.

Texas Rep. Armando Martinez was hit in the top of his head by a bullet during a New Year's celebration.

Mariliana Morales dedicates her time to helping sex workers on the streets of San Jose, Costa Rica.

After traveling 1.8 billion miles over five years, NASA's Juno spacecraft has reached Jupiter. Juno is the first spacecraft in more than a decade to orbit the planet.

Twin boys in Arizona were born in different years. One was born at 11:51 p.m. on New Year's Eve and the other at 12:01 a.m. on New Year's Day.

This fish restaurant in Iraqi Kurdistan was named after Trump, after the owner heard the President-elect say he was a fan of Kurdish forces.

President-elect Donald Trump plans to repeal a raft of President Barack Obama's executive actions during his first day in office, Trump's incoming White House press secretary said.

Queen Elizabeth did not attend a New Year's Day church service as she continues to recover from a "heavy cold," a Buckingham Palace spokesman says.

CNN's Poppy Harlow traveled to Omaha, Nebraska to sit down with the "rock and roll band with horns" on the last leg of their 49th tour.

Chicago singer/keyboardist Robert Lamm tells how he wrote his mega-hit, "25 or 6 to 4."

Record exec Irving Azoff recalls producer David Foster who describes discontent within Chicago.

Chicago and producer David Foster recall struggling with the role horns played during the era of 1980s ballads.

Chicago and producer Clive Davis talk about the band's songs and how their first recording scored a hit.

Chicago's Walt Parazaider recalls his awkward introduction to iconic singer Janis Joplin.

Walt Parazaider tells the story about when Chicago opened for guitar icon Jimi Hendrix.

President-elect Donald Trump claims to have inside information on Russia's meddling in the US election.

CNN's Jon Jensen reports on Solar Impulse 2's epic journey around the world on zero fuel.

CNN's Becky Anderson explores how President-elect Donald Trump might impact the peace process between Israelis and Palestinians.