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Brutal lion attack 6,200 years ago severely injured teenager — but somehow he survived, skeleton found in Bulgaria revealsExtremely rare evidence of a lion attack on a teenage boy's remains suggests the teenager survived the initial trauma but became severely disabled, requiring support from his community.
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Cassius the giant crocodile died from sepsis after 40-year-old dormant infection burst from 'abscess,' necropsy revealsCassius was an 18-foot-long saltwater crocodile living in captivity in Marineland Crocodile Park in Australia. He died last year at the age of about 120, and we finally know why.
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China's Great Green Wall: The giant artificial forest designed to slow the expansion of 2 desertsSince 1978, China has planted more than 66 billion trees along its 2,800-mile-long northern border, and it wants to plant 34 billion more over the next 25 years to complete its "Great Green Wall."
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Amazon rainforest is transitioning to a 'hypertropical' climate — and trees won't survive that for longThe Amazon rainforest currently has a few days or weeks of hot drought conditions per year, but researchers say this could increase to 150 days per year by 2100.
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Earth's crust hides enough 'gold' hydrogen to power the world for tens of thousands of years, emerging research suggestsReservoirs of hydrogen gas that form naturally in Earth's crust could help humans decarbonize. The challenge now is finding these accumulations and working out how best to mine them, experts say.
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A huge helium shortage is looming — but ancient rocks in Earth's crust may be hiding massive reservoirsFor decades, helium has been produced with natural gas, generating huge carbon emissions. Now, geologists are looking for new helium sources — and finding enormous "carbon-free" reservoirs that could revolutionize the industry.
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18,000 dinosaur tracks discovered along ancient Bolivian coastline — and they set a new recordResearchers have counted 16,600 fossilized dinosaur footprints and 1,378 swim tracks at a site in Bolivia that showcase a variety of behaviors and different theropods from the Cretaceous period.
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China has planted so many trees it's changed the entire country's water distributionHuge "regreening" efforts in China over the past few decades have activated the country's water cycle and moved water in ways that scientists are just now starting to understand.
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Death Valley's 'world's hottest temperature' record may be due to a human errorA new analysis of July temperatures in Death Valley between 1923 and 2024 suggests the world record near-surface air temperature of 134 F measured in July 1913 may be erroneous.
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Ruptures from 'silent' earthquakes deep in Earth's crust can heal themselves within hoursResearchers re-created the conditions deep inside the Cascadia subduction zone and found that fractured rocks can repair themselves during, or just hours after, slow-motion earthquakes.
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A new Apple TV series brings to life iconic animals of the last ice age.A clip from the upcoming series "Prehistoric Planet: Ice Age" shows how iconic ice age creatures adapted to their changing environment as temperatures rose and ice sheets started to melt.
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Scientists discover new type of lion roarResearchers used artificial intelligence to analyze more than 3,000 recordings of African lions and found that the animals have an "intermediate" roar as well as a "full-throated" roar.
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Underwater volcano off Oregon coast likely won't erupt until mid-to-late 2026Researchers thought that Axial Seamount might erupt in 2025, but recent data suggest the underwater volcano could take a bit longer to blow its top.
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Tiny spiders that build giant 'puppet' decoys from disembodied prey discovered in Peru and PhilippinesResearchers have documented the strange antics of two tropical spider species that build giant, arachnid-shaped decoys out of silk, plant matter and prey remains in their webs.
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Breakup of ancient supercontinent Nuna created 'incubators' for complex life, study findsAncient supercontinent Nuna's breakup around 1.5 billion years ago set off a chain of events that made Earth more habitable, new research suggests.
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Incredible, first-of-their-kind images show an orca being born in Norway — and the rest of its pod forming a protective circleScientists with the Norwegian Orca Survey and Orca Channel have documented, for the first time and in astounding detail, the birth of an orca and the newborn's first hour.
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Triple Divide Peak: Montana's unique liquid 'crossroads' where water can flow into three oceansTriple Divide Peak in Montana is the only place on Earth where water can flow into one of three different oceans, according to some definitions.
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It's official: The world will speed past 1.5 C climate threshold in the next decade, UN saysThe UNEP's 2025 Emissions Gap report has found that global average temperatures will exceed 1.5 C (2.7 F) before 2035 — and this just days before the COP30 climate summit kicks off in Brazil.
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World's biggest spiderweb discovered inside 'Sulfur Cave' with 111,000 arachnids living in pitch blackA giant colonial spiderweb in a sulfuric cave on the border between Greece and Albania may be the largest ever found — and it was built by spiders we didn't know liked the company of others.
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Orcas in the Gulf of California paralyze young great white sharks before ripping out their liversAn orca pod that made headlines last year for gutting a whale shark has struck again, this time perfecting a technique that involves paralyzing young great white sharks to eat their livers.
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Ancient 'frosty' rhino from Canada's High Arctic rewrites what scientists thought they knew about the North Atlantic Land BridgeResearchers have gained new insights into rhinoceros evolution and the longevity of the North Atlantic Land Bridge from analyzing the perfectly preserved fossils of a "frosty" Arctic rhino.
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Greenland is twisting, tensing and shrinking due to the 'ghosts' of melted ice sheetsEarth's mantle is so gooey, it takes eons for material that has been displaced by the weight of ice sheets to flow back. And Greenland is very much still processing its glacial past, a new study shows.
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22 of Earth's 34 'vital signs' are flashing red, new climate report reveals — but there's still time to actEarth's systems are nearing tipping points that could plunge the planet into a "hothouse" regime — but there's still time to prevent that from happening, scientists say.
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'Near stationary' Tropical Storm Melissa is moving slower than a person walking — and it may bring deadly flash floods to the CaribbeanTropical Storm Melissa is moving at a snail's pace but will intensify rapidly over the weekend as it feeds off near-record-warm water temperatures in the Caribbean Sea, forecasters say.
