Now playing Next USA How to see the Eta Aquarid meteor shower The sky show will peak on May 6. 28/04/2019
Now playing Next USA Fusion power start-ups go small in effort to bring commercial reactors to life After decades of research and development, fusion may be poised for its "SpaceX moment." 27/04/2019
Now playing Next USA Militaries go green, rethink operations in face of climate change "Militaries are great planning organizations, we need to utilize that great planning capability to get further ahead of the climate threat than we have." 27/04/2019
Now playing Next USA The universe is expanding faster than we thought, and no one knows why New research indicates that everything is moving about 9 percent too fast. 26/04/2019
Now playing Next USA Scientists turn brain signals into speech with help from AI The technology could lead to devices that restore speaking ability to people who have lost it as a result of brain injury or neurological disorders. 26/04/2019
Now playing Next USA N.Y. to investigate Facebook over harvesting email contacts Facebook disclosed last week that it may have "unintentionally uploaded" email contacts without users' permission or knowledge beginning in May 2016. 25/04/2019
Now playing Next USA Facebook faces political blowback for a new reason: Its rising stock price Analysis: Facebook added about $40 billion in market value despite warning about a sizable fine, fueling critiques that the U.S. is unable to effectively regulate the tech giant. 25/04/2019
Now playing Next USA Fake news can cause 'irreversible damage' to companies — and sink their stock price Companies are hiring third-party firms to trawl social media to make sure fake news won't dent their share price. 25/04/2019
Now playing Next USA 5 ways the Trump administration could prepare to thwart 2020 election meddling NBC News spoke with several former White House and government cybersecurity experts who focused on a handful of areas that need to be addressed to secure the U.S. voting process. 25/04/2019
Now playing Next USA China reveals plan to build moon base The research station reportedly will be erected in about 10 years. 25/04/2019
Now playing Next USA Cut off on social media, Sri Lankans abroad turn to alternate means — and phones cards — to reach home The government's restrictions, which it says are a temporary way to stop the spread of extremist material, are stoking frustration and worry among Sri Lankans living abroad. 25/04/2019
Now playing Next USA Chinese scientists insert human brain gene into monkeys, spark ethical debate Some worry that such research blurs the line between humans and animals. 25/04/2019
Now playing Next USA Facebook warns investors it anticipates a U.S. penalty of up to $5 billion The FTC said last year it was investigating reports that the British consulting firm Cambridge Analytica improperly gained access to the data of tens of millions of Facebook users. 24/04/2019
Now playing Next USA Mark Zuckerberg adds to his job description: Podcaster The podcast appears to be an audio version of discussions the Facebook founder has been having as part of a 2019 resolution. 24/04/2019
Now playing Next USA NASA detects seismic activity for first time on Mars If confirmed, it would be the first time seismic activity ever detected on the Red Planet. 24/04/2019
Now playing Next USA Greenland ice sheet is now shrinking so fast that it's 'a bit scary' Changes to the island's ice sheet could transform the entire planet, scientists say. 24/04/2019
Now playing Next USA 'Oumuamua' might not have been Earth's first interstellar visitor Scientists say a pint-sized meteor that hit Earth's atmosphere in 2014 might have come from another star system. 24/04/2019
Now playing Next USA Scammers turn Instagram into a showroom for luxury counterfeits Many of the accounts on Instagram using those hashtags direct prospective buyers to contact them on encrypted messaging apps. 24/04/2019
Now playing Next USA Trump meets with Twitter CEO Jack Dorsey, discusses 'health of public conversation' The meeting, which was confirmed by representatives from both the White House and Twitter, focused on "the health of the public conversation." 23/04/2019
Now playing Next USA After Mueller report, Twitter bots pushed 'Russiagate hoax' narrative As social media platforms continue to prepare for the 2020 election, efforts to spread disinformation and sow discord remain an ongoing issue. 23/04/2019