CNN – World

By Ashley Strickland, CNN Some of the most insightful discoveries about the past have been found in caves. Like sanctuaries of history, caves have sheltered delicate fossils, artwork, ancient tools and even DNA in the dirt. Every unearthed revelation is another piece of the evolutionary puzzle. Places like Denisova Cave are the reason we know

By Angela Dewan, CNN As the climate crisis escalates, the world is banking on carbon-free energy to achieve a future with zero greenhouse gas emissions, or a net-zero future, where we remove just as much greenhouse gas from the atmosphere as we emit. One potential form of clean energy is green hydrogen — which can

By Angela Dewan, CNN Britain’s Queen Elizabeth II will attend a pivotal United Nations climate change conference in Glasgow this fall, organizers said in a tweet Friday, giving a royal boost to the event. The United Kingdom is hosting global leaders for the nearly two weeks of talks in the Scottish city from October 31

By Ashley Strickland, CNN The Perseverance rover isn’t letting any Martian dust settle under its wheels. It’s preparing to collect a core sample from another rock on Mars after its first attempt earlier this month amounted to a crumbly pile. The rover has moved on and driven 1,493 feet (455 meters) to a ridge called

By Lauren Kent, CNN Elephants are the largest land mammals on Earth, and understanding them better could lead to some incredibly large breakthroughs in science. Researchers backed by the European Union’s Horizon 2020 innovation program are doing a deep-dive study on elephant trunks, with the aim of improving the future of robotics, materials science and

By Aditi Sangal, Jessie Yeung, Brad Lendon, Tara John, Melissa Macaya, Meg Wagner, Fernando Alfonso III and Veronica Rocha, CNN The-CNN-Wire™ & © 2021 Cable News Network, Inc., a WarnerMedia Company. All rights reserved.

By Jessie Yeung, CNN In the southwest Pacific Ocean, there’s a huge region of unusually warm water covering an area about the size of Australia, known as “the Southern Blob.” Several thousand miles away, the South American nation of Chile has been experiencing a megadrought for more than a decade, with dwindling rain and water

CNN Editorial Research Here’s a look at the 2006 terrorist plot to blow up US-bound flights that originated in the United Kingdom. Facts It is believed that the terrorists were planning to carry peroxide-based explosives in liquid or gel/lotion form in carry-on luggage. The explosives would be hidden in common items such as toothpaste or

CNN Editorial Research Here is a look at the Jewish holiday Rosh Hashanah, a celebration of the new year. September 25-27, 2022 – Rosh Hashanah begins at sundown on September 25 and is celebrated through nightfall September 27. September 6-8, 2021 – Rosh Hashanah began at sundown on September 6 and ended at nightfall on

By Ashley Strickland, CNN In the quest to find potentially habitable planets outside of our solar system, astronomers have searched for exoplanets similar to Earth. Now, scientists have a new class of habitable exoplanets to look for: Hycean planets. These are hot planets covered in oceans that have an atmosphere rich in hydrogen — and

By Ashley Strickland, CNN A discovery made during a police raid has been identified as the most complete fossil of a flying reptile from Brazil. The remains revealed new information about tapejarids, or pterosaurs that soared across the skies during the Early Cretaceous period between 100.5 million and 145 million years ago. A study on

By Ashley Strickland, CNN The bones of a teenage hunter-gatherer who died more than 7,000 years ago on the Indonesian island of Sulawesi tell the story of a previously unknown group of humans. This distinct human lineage has never been found anywhere else in the world, according to new research. The study published Wednesday in

By Tara John, CNN Fears are growing about rising Covid-19 infections among children as the United States is turning into a bellwether for other countries, some of which are preparing for a return to school without mask mandates in classrooms and access to vaccines for younger age groups. The US has seen an exponential growth

By Lauren Mascarenhas and Nectar Gan, CNN The number of new Covid-19 cases reported globally “seems to be plateauing” after increasing for nearly two months, the World Health Organization (WHO) said Monday. WHO reported more than 4.5 million new cases and 68,000 new deaths worldwide last week — only a slight increase from the more