Now playing Next USA Scientists discover most massive neutron star ever seen A sugar-cube's worth of the dead star's material has a mass of about 100 million tons. 16/09/2019
Now playing Next world news Current ozone hole could be one of the smallest in 30 years Current ozone hole could be one of the smallest in 30 years, according to Copernicus. 16/09/2019
Now playing Next USA Huge, mysterious 'bubbles' discovered at the heart of the Milky Way The radio-emitting bubbles are near our galaxy's supermassive black hole. 16/09/2019
Now playing Next USA Fake gravity and 'supersized basketball': A look inside the space hotel experience The planned Von Braun Station could open as soon as 2027. 14/09/2019
Now playing Next France Scientists win Ig Nobel prize for testing temperature of testicles The Ig Nobel prizes are for experiments which "make you laugh then make you think" 13/09/2019
Now playing Next Switzerland Watch again: Behind the scenes broadcast from CERN A special live broadcast from CERN, the world's largest particle physics laboratory, where scientists are trying to unlock the secrets of our universe. 13/09/2019
Now playing Next USA With confetti and push notifications, stock app Robinhood nudges investors toward risk "I liken it to giving the keys of a sports car to a 12-year-old," said Tara Falcone, a certified financial planner and the founder of ReisUP, a financial education company. 12/09/2019
Now playing Next USA On Friday the 13th, a full 'harvest moon' will be visible in the night sky The timing may seem ominous, but there's no reason to be spooked by this skywatching event. 12/09/2019
Now playing Next USA Millions of years ago, this 'frozen dragon' flying reptile as big as a fighter jet soared over Earth Scientists say the newly discovered species had a wingspan of up to 33 feet. 12/09/2019
Now playing Next USA Strange alien world found to have water vapor and possibly rain clouds Exoplanet K2-18 b lies in the habitable zone of its host star some 110 light-years from Earth. 11/09/2019
Now playing Next USA Undersea explorer becomes the first to reach deepest point of all five oceans Victor Vescovo achieved the feat by diving to the bottom of the Molloy Deep, a frigid trench 170 miles west of Svalbard, Norway. 11/09/2019
Now playing Next USA Twitter users mock new iPhone camera, compare it to fidget spinner "iPhone 11 Pro cameras straight up look like Philips Shaver!" The iPhone 11 Pro costs $999, while the iPhone 11 Pro Max is $1,099. 10/09/2019
Now playing Next USA One of Antarctica's most unstable glaciers may be thinning faster than previously thought The disturbing conclusion comes from a new look at vintage film from an aerial survey of the icy continent from the 1970s. 10/09/2019
Now playing Next USA Hit YouTuber Ryan ToysReview accused of deceiving kids with paid content A complaint filed with the Federal Trade Commission accuses the online wunderkind of subjecting preschoolers to ads disguised as toy reviews. 10/09/2019
Now playing Next USA Apple event: A new iPhone and details on subscriptions services With smartphone sales slowing globally, Apple has begun to emphasize its subscription services — but it also rolled out an iPhone with a dual camera system. 10/09/2019
Now playing Next world news The day dinosaurs died: an asteroid, a giant tsunami, then darkness What exactly happened when the asteroid that spelt the end of dinosaurs slammed into the Earth, 66 million years ago? Scientists are one step closer to understanding how dramatically the planet was transformed in just one day. 10/09/2019
Now playing Next USA 'Here we go again': Young Americans turn to memes, dark humor in face of recession "A lot of us are in a lot of college debt, jobs are hard to get," said one young person who posted to Twitter about a possible recession. 10/09/2019
Now playing Next USA 'Ransom': Google faces antitrust probes — and that's emboldening some of its critics Some small businesses use words like "ransom" and "shakedown" when talking about Google, while Google says it's acting in the best interest of consumers. 09/09/2019
Now playing Next USA Why is the Amazon rainforest important? The world's largest rainforest affects the global climate, and its diversity of plants and animals is without equal. 09/09/2019
Now playing Next USA Strange life-forms found deep in a mine point to vast 'underground Galapagos' The rock-eating, sulfur-breathing microbes have scientists wondering what other strange creatures dwell deep below Earth's surface. 07/09/2019