CNN – World

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

By Ashley Strickland, CNN The first NASA mission to fly by a total of eight ancient asteroids is ready for launch. Weather conditions will be 90% favorable on the morning of October 16, when the Lucy mission is set to leave Cape Canaveral Space Force Station at 5:34 a.m. ET. If it doesn’t launch at

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 we need to act quicker than we previously thought to avoid the worst consequences. As leaders prepare to meet in Glasgow, Scotland, next month for crunch talks, they’ll be