Now playing Next World News New study casts doubt on rise of alien life in our galaxy The Milky Way may be vast, but some scientists suggest that we are the galaxy's only inhabitants. 15/07/2018
Now playing Next World News FIFA branded 'pathetic' for World Cup Twitter takedown notices A 7-year-old boy celebrating a goal in front of the TV was among the fans accused of copyright infringement by soccer's governing body. 14/07/2018
Now playing Next World News How the video game 'Fortnite' is taking over the real world With a few tweaks on a classic "last-man" standing battle royale, the video game earned nearly $300 million last month. 12/07/2018
Now playing Next France Paris says 'au revoir' to metro ticket, ushers in contactless payment Paris has been using several variances of the little rectangular slip of paper as a ticket since its metro system was introduced in 1900, when the city was hosting the World Expo. 12/07/2018
Now playing Next World News Europe dominates global broadband speed ranking Singaporeans enjoy the fastest broadband speed in the world but Europe boasts the highest concentration of countries with fast or very fast broadband, a new report has found. 12/07/2018
Now playing Next World News Instagram's 'caught up' feature nudges users off their phones The feature comes after CEO Kevin Systrom promised tools that would help people understand how they used the app. 12/07/2018
Now playing Next World News Twitter is purging millions of fake accounts The company is banning bot accounts faster than ever, but there's concern those efforts will hurt its overall user count. 09/07/2018
Now playing Next World News Smart technology sees through walls to track and identify people "RF-Pose" isn't X-ray vision, but it's getting there. 09/07/2018
Now playing Next World News Here's what future Mars and lunar space colonies could look like The habitats feature inflatable pods and modules covered in Martian or lunar "cement" to protect them from radiation and asteroid strikes. 07/07/2018
Now playing Next USA Robot Cheetah can mount ledges and climb stairs without looking A 90-pound, four-legged robot built by engineers at Massachusetts Institute of Technology (MIT) can climb stairs littered with obstacles, leap, and restore its balance when yanked or shoved, all while essentially blind. 06/07/2018
Now playing Next World News Pruitt's EPA replacement won't be any better for environment, green groups say The Environmental Working Group deemed Pruitt "the worst head of the agency in its 48-year history." 06/07/2018
Now playing Next World News Facebook flagged Declaration of Independence post as hate speech The mix-up highlights the challenges of using artificial intelligence and human review to crack down on hate speech on the vast social network. 05/07/2018
Now playing Next World News Einstein's theory of relativity passes its toughest test yet Yet more evidence that the great physicist got gravity right. 05/07/2018
Now playing Next World News Test-tube rhinos? Experiment aims to save a vanishing species The next step is using stem cells to try to grow pure northern white rhinos in the lab. 04/07/2018
Now playing Next World News Giant telescope captures first-ever snapshot of a newborn planet It's a baby photo of sorts — only this alien world is anything but cute and cuddly. 03/07/2018
Now playing Next World News Dutch city's 3D-printed homes could help upend the construction industry Project Milestone will put concrete printing technology to the test. 02/07/2018
Now playing Next World News Facebook, Twitter launch new ad transparency tools The changes offer the public an unprecedented look at what ads are being shown online. 28/06/2018
Now playing Next World News Uber wins key victory in fight to stay in London Uber convinced a judge that it has made changes to its business and corporate culture. 26/06/2018
Now playing Next World News Japan's Hayabusa 2 space probe snuggles up to odd-looking asteroid Ryuga, whose orbit extends beyond that of Mars, looks like "a big space diamond." 26/06/2018
Now playing Next World News Here's the scientific explanation for that 'alien spaceship' on Mars What some say looks like a crash site is evidence of volcanism, not Vulcans. 23/06/2018