CNN – World

By Eliza Mackintosh, CNN As Covid-19 cases skyrocketed across Britain in late December, Stuart Guest spent his vacation poring over scientific reports about air cleaning and filtration systems. Guest, a head teacher at an elementary school in Birmingham, England, scoured Amazon for affordable air purifiers in the hopes of stopping the more transmissible Omicron variant

By Rachel Ramirez, CNN Graphics by CNN’s John Keefe and Renée Rigdon The last seven years have been the seven warmest on record for the planet, new data shows, as Earth’s temperature continues its precarious climb due to heat-trapping fossil fuel emissions. A new analysis by the European Union’s Copernicus Climate Change Service, which tracks

By Philip Wang, Marlon Sorto and Taylor Barnes, CNN Two more bodies were found Sunday afternoon after a massive rock fell on top of several tourist boats in the Brazilian state of Minas Gerais on Saturday, raising the death toll to 10, according to state media outlet Agência Brasil. At least 32 people were injured

By Ashley Strickland, CNN Just 14 days after launching, the world’s most complex space observatory has already overcome some of its greatest challenges. The James Webb Space Telescope successfully completed the unfolding of its giant gold mirror on Saturday. “I am so proud of the team — spanning continents and decades — that delivered this

By Ashley Strickland, CNN As a kid, I thought Dr. Dolittle had a pretty good gig. The idea of being able to speak to creatures in their own distinct language was a thrilling prospect. And then there were veterinarians like Dr. James Herriot and his treasury of tales that showed he truly understood the nature

By Aditi Sangal, Rhea Mogul, Adam Renton, Lauren Said-Moorhouse, Hannah Strange, Meg Wagner and Adrienne Vogt, CNN The-CNN-Wire™ & © 2022 Cable News Network, Inc., a WarnerMedia Company. All rights reserved.

By Melissa Mahtani, Meg Wagner, Jessie Yeung, Adam Renton, Lauren Said-Moorhouse and Ed Upright, CNN The-CNN-Wire™ & © 2022 Cable News Network, Inc., a WarnerMedia Company. All rights reserved.

By Katie Hunt, Kristin Fisher and Jackie Wattles, CNN An out-of-control Russian rocket stage has re-entered the Earth’s atmosphere, according to the latest estimate from US Space Command, which has been tracking its descent. The Angara-A5 heavy-lift rocket was launched from the Plesetsk spaceport in Russia’s northwestern Arkhangelsk region on Monday, December 27. The launch

By Rachel Ramirez As extreme weather wreaked havoc across the globe in 2021, a stunning change was happening in the far northern Arctic, largely out of sight but detectable by a network of sensors. Lightning increased significantly in the region around the North Pole, which scientists say is a clear sign of how the climate

By Ashley Strickland, CNN The most powerful space telescope ever built is keeping its cool in space. The James Webb Space Telescope, which launched on Christmas Day, successfully completed the deployment of its 70-foot (21-meter) sunshield on Tuesday. This critical milestone is one of several that must occur for the NASA observatory to function properly