Kenna Hughes-Castleberry is the Content Manager at Live Science. Formerly, she was the Content Manager at Space.com and before that the Science Communicator at JILA, a physics research institute. Kenna is also a book author, with her upcoming book 'Octopus X' scheduled for release in spring of 2027.
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But others call it 'egregiously poor geological work.''They are life, but not as we now know it': 26-foot organism that lived 420 million years ago is completely unknown branch of animal kingdomEnormous freshwater reservoir discovered off the East Coast may be 20,000 years old and big enough to supply NYC for 800 yearsScientists find 2 marsupial species, thought to have gone extinct 6,000 years ago, living in the forests of New GuineaFirst Americans quiz: How much do you know about the first people to reach the Americas?Unlock instant access to exclusive member features.Receive email from us on behalf of our trusted partners or sponsorsSign up for the latest discoveries, groundbreaking research and fascinating breakthroughs that impact you and the wider world direct to your inbox.Feed your curiosity with an exclusive mystery every week, solved with science and delivered direct to your inbox before it's seen anywhere else.Sign up to our free science & technology newsletter for your weekly fix of fascinating articles, quick quizzes, amazing images, and moreSign up to our monthly entertainment newsletter to keep up with all our coverage of the latest sci-fi and space movies, tv shows, games and books.Discover this week's must-see night sky events, moon phases, and stunning astrophotos. Sign up for our skywatching newsletter and explore the universe with us!While exploring a cave in central Texas, scientists unearthed a long-lost ice-age ecosystem, including the remains of a giant tortoise and a lion-size armadillo relative, among a trove of fossils in an underground stream., researchers say the cave may preserve the remains of animals that lived during a relatively warm period of the last ice age. If the findings are validated, the site would offer a rare look at an animal community that was missing from central Texas' fossil record., a vertebrate paleontologist in the University of Texas at Austin's Jackson School of Geosciences, told Live Science."Just the abundance of fossils and the animals those fossils represent were really exciting." Rock climbers in Italy accidentally discovered evidence of an 80 million-year-old sea turtle stampede 'We got evidence of boars, deer, bears, aurochs': Ancient DNA reveals sunken realm Doggerland had habitable forests during the last ice ageMoretti and John Young, a local caver, were exploring Bender's Cave, near San Antonio, in 2023, when they came across the fossils. The cave is difficult to access and has a subterranean stream running through it, so it had largely been ignored by paleontologists. However, they suspected fossils were present, as amateur cavers had previously brought in their finds, Moretti said."We have bags attached to our waists, and we're picking up fossils as we go," Moretti said. Over six trips between 2023 and 2024, Moretti and Young discovered fossils fromGet the world’s most fascinating discoveries delivered straight to your inbox.Receive email from us on behalf of our trusted partners or sponsors The discovery of these two fossilized animals puzzled Moretti and Young because these ice-age giants were not known to have lived in this area. For more than a century, researchers have studied ice-age fossil sites in central Texas and built a picture of the region during that time as a dry grassland dominated by grazing animals. According to Moretti, this climate would not have been suitable for the tortoise or the pampathere. Moretti and Young suggested that the animals' remains washed into the cave system from the surface through sinkholes during floods and then settled on the streambed. If this is the case, the animals may have lived during a warmer interglacial period, roughly 100,000 years ago, when temperatures rose and animals that favored milder conditions moved into the region, the researchers proposed.Moretti said they have not been able to accurately date the bones because the collagen proteins often used as the biomarker in fossils were completely eroded by the mineral-rich water. This water also contaminated many of the fossils, as the bones absorbed carbon and other minerals after being deposited. This means a test may measure this contamination rather than the fossils' true ages. To overcome this challenge, the team is now trying to date the calcite crusts that formed on the bones after they entered the cave. Although these results won't provide exact dates for the fossils, they can set a minimum age for when they were deposited. With these dates, the researchers hope to narrow down whether the cave fossils represent a warmer interglacial chapter of Texas' history.Moretti, J. A., & Young, J. . Novel occurrences of Late Pleistocene megafauna from Bender's Cave on the Edwards Plateau of Texas may include evidence of the last interglacial. Quaternary Research, 1–27.Kenna Hughes-Castleberry is the Content Manager at Live Science. Formerly, she was the Content Manager at Space.com and before that the Science Communicator at JILA, a physics research institute. Kenna is also a book author, with her upcoming book 'Octopus X' scheduled for release in spring of 2027. Her beats include physics, health, environmental science, technology, AI, animal intelligence, corvids, and cephalopods.Rivers & Oceans 'We got evidence of boars, deer, bears, aurochs': Ancient DNA reveals sunken realm Doggerland had habitable forests during the last ice ageExtinct speciesQuantum computers need just 10,000 qubits — not the millions we assumed — to break the world's most secure encryption algorithmsSnag this Paramount+ deal and get a bird's-eye view of the world with these amazing documentaries — but be quick, it ends today! Quantum computers need just 10,000 qubits — not the millions we assumed — to break the world's most secure encryption algorithms
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