Now playing Next USA Two satellites will narrowly avoid colliding at 32,800 mph If the two satellites were to collide, the debris could endanger spacecraft around the planet. 28/01/2020
Now playing Next USA NFL Twitter accounts hacked, including those of Super Bowl-bound Chiefs and 49ers A Saudi hacker group claimed responsibility for compromising several accounts, including those of Kansas City and San Francisco. 28/01/2020
Now playing Next USA What is Byte? The internet's new old-school, short-form video app. Byte, a new short-form video app, hopes to capitalize on the nostalgia of the now-defunct Vine, but will have to contend with a saturated market. 27/01/2020
Now playing Next USA Buffalo as an oasis? Scientists say a warmer earth could make colder cities into destinations. "People tuned in to climate change are asking the question, 'Where is it safe to live in the long term?'" one climate scientist said. 24/01/2020
Now playing Next USA Iowa caucus app sparks election security concerns Every level of the U.S. election process has come under far more scrutiny since the U.S. intelligence community determined Russia attempted to interfere in the 2016 election. 23/01/2020
Now playing Next USA 'Ghost' population of humans discovered in ancient Africa This is the first time researchers have done an in-depth analysis of ancient DNA from western Central Africa. 23/01/2020
Now playing Next USA Why become the first person to swim a supraglacial lake? To protect the Antarctic Ocean. Lewis Pugh, a celebrated endurance swimmer, will attempt what he describes as his toughest swim to date in an effort to bring attention to environmental issues. 23/01/2020
Now playing Next USA Scientists move Doomsday Clock closer to midnight The Bulletin adjusted the clock to reflect human-caused threats such as nuclear weapons and accelerated global warming. 23/01/2020
Now playing Next USA The heat from the Vesuvius eruption in A.D. 79 turned one victim's brain to glass "This is the first ever discovery of ancient human brain remains, vitrified by heat," one expert said. 22/01/2020
Now playing Next USA Australia wildfire emissions push scientists to ask: How much more Earth can take? Researchers are concerned that huge pulses of carbon emissions from devastating wildfires could overwhelm natural reservoirs that store carbon dioxide. 22/01/2020
Now playing Next USA Ancient viruses never observed by humans discovered in Tibetan glacier Melting ice from climate change could release the pathogens into the environment, one researcher said, calling it a "worst-case scenario." 22/01/2020
Now playing Next USA Already saturated with politics? News stations are about to step it up. With a record $10 billion in political advertising at stake, the news industry is expanding operations to all corners — from broadcasting live campaign events to offering daily news shows on entertainment platforms. 21/01/2020
Now playing Next USA SpaceX just launched — and purposefully destroyed — a rocket for a key test The "abort demonstration" assessed how well SpaceX's Crew Dragon capsule can survive in the event of a catastrophic rocket failure. 19/01/2020
Now playing Next USA Two iPhones or the privacy of billions: Why Apple vs. the FBI matters The FBI's efforts to push Apple to unlock phones have caused alarm among technology industry veterans and academics who see a broader effort to reduce privacy and introduce backdoors. 17/01/2020
Now playing Next USA Armed guards, secret location: Inside an illegal marijuana bazaar publicized on Instagram An NBC News producer gained access to an underground operation in Los Angeles where dealers were selling bulk amounts of bootleg THC vape cartridges. 17/01/2020
Now playing Next USA App developers sue Facebook over alleged 'anticompetitive scheme' The proposed class-action lawsuit was filed in federal court and is based entirely on previously secret documents that NBC News obtained last year. 17/01/2020
Now playing Next USA YouTube ran ads for major brands, environmental nonprofits against climate misinformation videos "If we're going to stop the climate crisis, we need tech and social media companies like YouTube to be part of the solution, not part of the problem," a Greenpeace spokesperson said. 17/01/2020
Now playing Next USA Massive oil refinery leaks toxic chemical in the middle of Philadelphia Philadelphia Energy Solutions is just one of a dozen refineries across the U.S. that have consistently exceeded the EPA's "action level" for benzene. 16/01/2020
Now playing Next USA A '#NeverWarren' hashtag portended a Democratic squabble. Data showed otherwise. The hashtag was used by many well-followed accounts that sought to downplay any division between Sanders and Warren, in turn boosting the trend. 16/01/2020
Now playing Next USA Scientists find Australian wildfire smoke has circled the globe A satellite traced the movement of the smoke and produced an image Monday showing areas in Australia where the smoke had reached its place of origin. 15/01/2020