CNN – World

By Rob Picheta, CNN The concentration of greenhouse gases in the atmosphere has once again reached record highs, according to a UN report published…

By Katie Hunt, CNN Mammoths and other giant creatures of the Ice Age such as woolly rhinos survived longer than scientists thought, coexisting with…

By Kareem El Damanhoury, Isil Sariyuce and Alaa Elassar, CNN Turkey’s President Recep Tayyip Erdogan has ordered the ambassadors of 10…

By Ashley Strickland, CNN The domestication of horses changed the course of human history, but scientists have tried for years to figure out when and…

By Noah Sheidlower, Melissa Velasquez and Justin Lear, CNN To the surprise of researchers and sunfish enthusiasts worldwide, a more than 4,000-pound…

By Ashley Strickland, CNN The first NASA mission that will fly by eight ancient asteroids launched early Saturday morning, but not everything went…

By Tara John, CNN British and international authorities are closely monitoring a subtype of the Delta variant that is causing a growing number of…

By Ivana Kottasová, CNN Video and Photos by Temujin Doran, CNN Design by Carlotta Dotto, CNN The windswept valleys surrounding the Hengill volcano…

By Ashley Strickland, CNN Scientists are aiming little ray gun-like devices, called leaf clips, at plants in an attempt to better understand…

By Vasco Cotovio and Stefano Pozzebon, CNN Five United States citizens and a permanent resident who were serving house arrest in Caracas, Venezuela,…

By Ashley Strickland, CNN After filming the first movie in space, Russian actress Yulia Peresild, producer-director Klim Shipenko and cosmonaut Oleg…

By Laura Smith-Spark, CNN The whole world seems to be talking about the climate crisis, thanks to months of wild weather and new science showing that…

CNN Editorial Research Here’s a look at nuclear nations. Information about nuclear stockpiles varies from source to source. The information…