Now playing Next World News Mark your calendars: 2019 spaceflight events you don't want to miss If 2018 was a busy one for spaceflight, the coming year promises to be even busier. 28/12/2018
Now playing Next PuertoRico Search for missing cruise ship entertainer is suspended Arron Hough, 20, went overboard 267 miles off the coast of Puerto Rico on Christmas Day. 28/12/2018
Now playing Next World News Trump makes surprise visit to U.S. troops in Iraq Trump had been criticized for not visiting any combat zones until now, unlike several of his predecessors. 26/12/2018
Now playing Next USA Trump digs in on the wall and the shutdown "It's a disgrace, what's happening in this country," the president said. "But other than that I wish everyone a very merry Christmas." 26/12/2018
Now playing Next USA US government shutdown 'could last beyond Christmas' Senators sent home until Thursday as no deal is reached between Donald Trump and the Democrats 23/12/2018
Now playing Next World News Federal government partially shuts down amid impasse over border wall funding It was unclear exactly how long the shutdown — which affects thousands of federal workers — would last, with negotiations slated to continue over the weekend. 22/12/2018
Now playing Next World News Family of Florida woman killed in Costa Rica sues Airbnb, resort Carla Stefaniak had traveled to Costa Rica to celebrate her 36th birthday. 21/12/2018
Now playing Next World News Trump's latest big immigration bet is looking like a loser Analysis: No border wall. No rewrite of immigration policy. No Republican majority in the House. On his top agenda item, the president's getting hammered. 18/12/2018
Now playing Next USA Watch this space: Four rockets set for blast-off in busy 24 hours SpaceX, Blue Origin, Arianespace and United Launch Alliance all have rockets scheduled for lift-off today. Here's how to watch them. 18/12/2018
Now playing Next World News Before 'one small step': How Apollo 8 became our first true moon shot The historic flight launched 50 years ago this week. 18/12/2018
Now playing Next World News Critics decry decision to let Florida police use 'stand your ground' Allowing police to invoke the law only "makes it harder for our justice system to deliver justice in these cases," one critic said. 18/12/2018
Now playing Next World News In pictures: Nasa Juno Cam shows storms over Great Red Spot In pictures: Nasa Juno Cam shows storms over Great Red Spot. 14/12/2018
Now playing Next World News Trump confides to friends he's concerned about impeachment Despite public declaration that he's unconcerned, the president has told people close to him he's alarmed about the prospect of impeachment. 14/12/2018
Now playing Next World News Wave of bomb threats causes evacuations, anxiety nationwide A wave of bomb threats were reported against businesses, schools hospitals and other locations in cities across the country Thursday, authorities said. 13/12/2018
Now playing Next World News NASA's OSIRIS-REx space probe detects water on asteroid Bennu The discovery sheds new light on the early solar system and the origin of life on Earth. 12/12/2018
Now playing Next USA Euroviews. Unearthing the connection between politics and history | View Chris Hayes speaks with historian Joanne Freeman about violence within the political class in the decades leading up to the Civil War. 11/12/2018
Now playing Next World News Five Marines missing after crash off Japan declared dead Only one of seven Marines aboard a fuel tanker and a fighter jet that collided last week survived the accident, the corps said. 11/12/2018