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By Ashley Strickland, CNN (CNN) — Two male lions became infamous for terrorizing and eating humans in 1898 during construction of a railway bridge over the Tsavo River in Kenya. Now, an innovative genetic analysis of hairs trapped inside the cavities of their broken teeth have revealed new insights into the prey the so-called Tsavo

By Ashley Strickland, CNN (CNN) — New observations of Jupiter’s Great Red Spot captured by the Hubble Space Telescope show that the 190-year-old storm wiggles like gelatin and shape-shifts like a squeezed stress ball. The unexpected observations, which Hubble took over 90 days from December to March, show that the Great Red Spot isn’t as

By Issy Ronald, CNN (CNN) — When a National Geographic documentary team discovered a boot and sock sticking out of a melting glacier on Mount Everest in September, they almost immediately recognized its significance as a clue to a century-old mystery. A name label still stitched onto the woollen sock read “A.C. Irvine,” revealing that

By Katie Hunt, CNN (CNN) — Archaeologists have identified the cannibalized remains of a senior officer who perished during an ill-fated 19th century Arctic expedition, offering insight into its lost crew’s tragic and grisly final days. By comparing DNA from the bones with a sample from a living relative, the new research revealed the skeletal

By Jack Guy, CNN (CNN) — A new 3D scan has revealed previously unseen details of the wreck of Antarctic explorer Ernest Shackleton’s HMS Endurance, which was found in 2022 – more than a century after the ship sank. The scan, seen by CNN on Thursday, makes it look as though the ship, which sank

By Ashley Strickland, CNN (CNN) — Colorful auroras could be visible in areas of the United States such as Alabama and Northern California — much farther south than they typically appear — on Thursday evening due to a powerful solar flare and coronal mass ejection released from the sun, according to the National Weather Service’s

By Ashley Strickland and Taylor Nicioli, CNN (CNN) — A recently discovered comet, known as C/2023 A3 Tsuchinshan–ATLAS, will make its closest approach of Earth on Saturday. Sky-gazers won’t want to miss the event since it may be the last time the comet will be seen in the night sky for another 80,000 years. The

By Issy Ronald, CNN (CNN) — The warm, damp environments of your showerhead and toothbrush are the perfect breeding ground for microbes, and a new study has identified hundreds of viruses that live there, showing the vast biodiversity to be found in the average home. These viruses, however, are not the kind that will give

By Rachel Ramirez, CNN (CNN) — The exceptionally warm water of the Gulf of Mexico that supercharged deadly Helene last month was made up to 500 times more likely by human-caused climate change, which also ramped up the hurricane’s wind and rain, according to a new scientific analysis. Helene, which made landfall in Florida as

By Christian Edwards and Katie Hunt, CNN (CNN) — The 2024 Nobel Prize in chemistry has been awarded to a trio of scientists who used artificial intelligence to “crack the code” of almost all known proteins, the “chemical tools of life.” The Nobel Committee lauded David Baker, a US biochemist, for completing “the almost impossible

By Christian Edwards and Katie Hunt, CNN (CNN) — The 2024 Nobel Prize in physics has been awarded to John Hopfield and Geoffrey Hinton for their fundamental discoveries in machine learning, which paved the way for how artificial intelligence is used today. Hopfield, a professor at Princeton University and Hinton, a computer scientist at the

By Vasco Cotovio, CNN Lisbon (CNN) — For three days in mid-September, wildfires rapidly tore through parts of Portugal, turning the sky a hellish, smoky red against the rolling green hills in the north. In central Portugal, a blaze engulfed a highway, cutting off the top half of the country from the bottom. Nine people

By Ashley Strickland, CNN (CNN) — A European spacecraft and two shoebox-size satellites have launched to survey the aftermath from NASA’s DART mission, which intentionally slammed into an asteroid named Dimorphos and altered its orbit two years ago. The European Space Agency’s Hera mission lifted off aboard a SpaceX Falcon 9 rocket at 10:52 a.m. ET

By Christian Edwards and Katie Hunt, CNN (CNN) — The 2024 Nobel Prize in physiology or medicine has been awarded to US scientists Victor Ambros and Gary Ruvkun for their work on the discovery of microRNA, a molecule that governs how cells in the body function. Their research revealed how genes, which contain the instruction

By Ashley Strickland, CNN (CNN) — Keep your eyes on the night skies to see the elusive Draconid meteor shower, expected to peak Monday evening into early Tuesday. Unlike many meteor showers, the Draconids aren’t ones you’ll have to stay up late to witness because the shower is most visible just after nightfall and throughout

By Katie Hunt, CNN (CNN) — “Jurassic Park,” and its genetically modified dinosaur escapees, is pure science fiction — it’s never going to happen. But it doesn’t mean that scientists aren’t interested in bringing the past back to life in some form. Projects to resurrect animals that have gone extinct more recently — the mammoth,

By Katie Hunt, CNN (CNN) — The best minds in science will be thrust from academic obscurity into the spotlight this week when the Nobel Prizes in physics, chemistry, and physiology or medicine are announced. The accolades, established by Swedish industrialist Alfred Nobel more than a century ago, celebrate groundbreaking work that can take decades

By Kate Golembiewski, CNN (CNN) — You have probably seen leaf-cutter ants carrying bits of plants, maybe in a nature documentary, at a science museum or in the “Circle of Life” song at the beginning of the 1994 Disney animated film “The Lion King.” Those ants don’t eat the leaves — instead they bring them

By Issy Ronald, CNN (CNN) — For humans, flashing a smile is an easy way to avoid misunderstanding. And, according to a new study, bottlenose dolphins may use a similar tactic while playing with each other. The study, which was published Wednesday in the journal iScience, found that dolphins make an open-mouthed expression, comparable to

By Jackie Wattles and Ashley Strickland, CNN (CNN) — If snapshots of the dazzling “ring of fire” that danced across the skies of South America on Wednesday sparked eclipse fever, sky-gazers won’t have to wait too long for additional celestial spectacles in store for next year. While there won’t be another “ring of fire” event until 2026,