Now playing Next USA What is geothermal energy? This heat trapped underground can be tapped to generate electricity and warm buildings. 29/01/2019
Now playing Next Czech Republic The open ice climbing wall in the heart of Prague Climbers set up ice wall in centre of Czech capital city 28/01/2019
Now playing Next USA Migrants are being paid thousands of dollars to return home Austria gave Mohammad Farooq Niazi $3,100 and a one-way ticket to Kabul. The rest was up to him. 28/01/2019
Now playing Next USA Guns and God: Growing number of US churches want armed security "Fifty years ago, you could say no guns should be allowed in church, but times have changed," said a police chief who runs a volunteer church security team. 27/01/2019
Now playing Next France Divisions emerge in the French yellow vest movement Activists may present list for European elections 26/01/2019
Now playing Next USA Europe steps up pressure on Venezeula's Maduro ahead of U.N. meeting France, Germany and Spain said Saturday they would recognize opposition leader Juan Guaido as president if elections are not called in the coming week. 26/01/2019
Now playing Next USA Could Roger Stone's indictment lead to Trump's impeachment? Donald Trump's political advisor Roger Stone is just the latest of the president's associates to be indicted by Mueller as part of the ongoing investigation into Russian interference in the 2016 United States election. Could this be the final straw? 25/01/2019
Now playing Next USA Michael Jackson documentary stirs controversy ahead of premiere The film could put fresh scrutiny on the King of Pop's complicated life and artistic legacy. 25/01/2019
Now playing Next USA What is Planned Parenthood? And how exactly is it funded? Only about half of Planned Parenthood affiliates perform abortions, although the organization is the nation's leading abortion provider. 24/01/2019
Now playing Next USA Could Mitch McConnell still be the 'guy who gets us out of shutdowns'? Amid the first fitful signs of Senate action since the shutdown began, his supporters and critics agree: if the government is to re-open, the majority leader could well hold the keys. 23/01/2019
Now playing Next USA It's Day 33 of the government shutdown, and Washington remains stuck First Read is your briefing from "Meet the Press" and the NBC Political Unit on the day's most important political stories and why they matter. 23/01/2019
Now playing Next USA Giuliani complicates the Trump-Moscow story for the president First Read is your briefing from "Meet the Press" and the NBC Political Unit on the day's most important political stories and why they matter. 21/01/2019
Now playing Next World News Asteroids are crashing into Earth more often than before, study finds Asteroids are crashing into Earth more often than before but don't worry, there's no immediate danger — the next one is set to cross our paths in more than 800 years. 18/01/2019
Now playing Next USA New solar flare simulation reveals dazzling beauty of dangerous eruptions "This research is teaching us how the sun evolves, and how it affects our daily lives." 17/01/2019
Now playing Next Czech Republic Czechs march in tribute to 1969 student activist's self-immolation Czechs pay tribute to student who set himself on fire 50 years ago 17/01/2019
Now playing Next USA Aliens didn't create this weird swirling disk in a Maine river. Here's what did. The strange-looking formation measures about 300 feet across and appears to be spinning counterclockwise. 16/01/2019
Now playing Next USA Furloughed workers turn to odd jobs, gig economy as shutdown drags on People have turned to Craigslist, GoFundMe, ride-hailing companies and friends to help make ends meet. 16/01/2019