CNN – World

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 where this crucial event happened. Now, evidence from a new study using DNA analysis suggests horses were first domesticated 4,200 years ago in the steppes of the Black Sea region,

By Noah Sheidlower, Melissa Velasquez and Justin Lear, CNN To the surprise of researchers and sunfish enthusiasts worldwide, a more than 4,000-pound sunfish was found tangled in the nets of a tuna-fishing boat off the coast of Ceuta, an autonomous Spanish port city in north Africa bordering Morocco, on October 4. The mammoth sunfish measured

By Sara Spary, CNN Hopes that mankind can save the northern white rhino from extinction appeared more remote than ever this week, after scientists announced they will retire one of the last two living northern white rhinos from a breeding program. Najin, a 32-year-old northern white rhino — who, along with her daughter Fatu is

By Megan Marples, CNN A dinosaur fossil footprint found about 50 years ago is from a plant-eating dinosaur — not a huge meat-eating dinosaur as previously thought, according to a new study. The footprint, which dates back to the Triassic Period about 220 million years ago, was initially thought to have come from a large

By Tara John, CNN British and international authorities are closely monitoring a subtype of the Delta variant that is causing a growing number of infections in the United Kingdom. This descendant of the Delta variant, known as AY.4.2, accounted for an estimated 6% of cases in the week of September 27 — the last week with complete

By Ivana Kottasová, CNN Video and Photos by Temujin Doran, CNN Design by Carlotta Dotto, CNN The windswept valleys surrounding the Hengill volcano in southwestern Iceland are dotted with hot springs and steam vents. Hikers from all over the world come here to witness its breath-taking scenery. Even the sheep are photogenic in the soft

By Sherry Liang, CNN October’s full moon, the hunter’s moon, and the Orionid meteor shower are on this week’s celestial forecast, but you might only be able to catch one of them. The hunter’s moon will be fullest at 10:58 a.m. ET on October 20, and 99% full during the evenings of October 19 and

By Ashley Strickland, CNN Scientists are aiming little ray gun-like devices, called leaf clips, at plants in an attempt to better understand biodiversity as environments respond to the climate crisis. Not unlike the tricorder used to perform environment scans in “Star Trek,” the nifty gadget is a type of spectroradiometer that helps record how plant

By Vasco Cotovio and Stefano Pozzebon, CNN Five United States citizens and a permanent resident who were serving house arrest in Caracas, Venezuela, were picked up by the country’s intelligence service SEBIN on Saturday, just hours after the extradition of Alex Saab, a Colombian financier close to embattled Venezuelan President Nicolás Maduro, the families of

By Ashley Strickland, CNN The first NASA mission that will fly by a total of eight ancient asteroids has launched on its ambitious journey. Weather conditions were greater than 90% favorable Saturday morning when the Lucy mission lifted off from Cape Canaveral Space Force Station at 5:34 a.m. ET. The launch team confirmed that they

By Ashley Strickland, CNN After filming the first movie in space, Russian actress Yulia Peresild, producer-director Klim Shipenko and cosmonaut Oleg Novitskiy have safely returned home. After saying farewell to the rest of the astronauts and cosmonauts on the International Space Station and closing the hatch at 4:41 p.m. ET on October 16, their Soyuz