Now playing Next USA Why April's 'pink moon' has some astronomers seeing red "I think these names are distracting from the real interest in the moon." 19/04/2019
Now playing Next USA Once upon a time in Silicon Valley: How Facebook's open-data nirvana fell apart Analysis: A lack of rules built upon optimism about the internet and amplified by a growth-at-all costs strategy has given way to scrutiny and skepticism. 19/04/2019
Now playing Next Ukraine Ukraine poised to step into the unknown with election runoff Comedian and TV star Volodymyr Zelenskiy looks set to win by a landslide - but what does he stand for, and how could Ukraine change if he wins the presidency? 18/04/2019
Now playing Next USA In apparent journal, woman 'infatuated' with Columbine wrote about suicide, guns The 18-year-old, who has prompted a massive manhunt in Colorado, appears to have drawn pictures of guns and knives and written about plans she was making. 18/04/2019
Now playing Next USA Armed Columbine-obsessed teenager found dead The body has been found of an armed teenager said to be obsessed with the Columbine school shootings 20 years ago 17/04/2019
Now playing Next USA Inside a bikini-photo startup's scrappy battle to put Facebook on trial The David vs. Goliath contest pits a small startup against one of the most powerful technology companies in the world. 16/04/2019
Now playing Next USA Six things we've learned from the 2020 candidates' fundraising reports 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. 16/04/2019
Now playing Next France Victor Hugo already described flames in Notre Dame cathedral "On the crest of the highest gallery, higher than the central rose window, there was a great flame rising between the two towers with whirlwinds of sparks, a vast, disordered, and furious flame," he wrote. 15/04/2019
Now playing Next USA Watch: Skiers take on snow and water on competition course Competitors in costume ski down the mountain then attempt to cross a 27-metre pond at the bottom. 15/04/2019
Now playing Next Living Can one woman change Belgium’s love affair with bottled water? Why is Belgium so hooked on bottled water - while hosting the EU headquarters, a world leader in the fight against plastic waste? 15/04/2019
Now playing Next USA Veterans could be first to pay as DeVos rolls back for-profit college oversight Veterans are often sought out by schools with low graduation and job-placement rates because of their access to federal aid. 15/04/2019
Now playing Next Tunisia Leadership struggles in Tunisia deepen Leadership struggles in Tunisia deepen, ruling party elects two leaders in parallel congresses 14/04/2019
Now playing Next USA Gun control case study: A mass shooting, major reforms, then a political backlash The dramatic saga of what happened in Colorado when 2020 contender John Hickenlooper was governor holds lessons for Dems seeking the White House and the nation. 14/04/2019
Now playing Next USA Hypersonic air travel just took a step closer to reality New engine-cooling technology could help planes reach speeds in excess of 3,800 miles per hour. 13/04/2019
Now playing Next USA The 2020 Democrats' campaign logos, in graphic detail Sans serif font is in. Red, white and blue are out. 13/04/2019
Now playing Next Living April’s clean beauty launches Whether it’s helping you to care for the ocean, giving you some good karma or ensuring a restful night’s sleep, these 9 new beauty buys have got your back. 12/04/2019
Now playing Next USA Herman Cain appears to lack the support for Senate confirmation to Fed seat Four Senate Republicans have already come out against his potential nomination. 12/04/2019