oldest

  • BiologyFossil Research Reveals The Oldest Evolutionary 'arms Race'

    Fossil research reveals the oldest evolutionary ‘arms race’

    An example of a shell of Lapworthella fasciculata from the Mernmerna Formation in the Flinders Ranges, South Australia (under scanning electron microscopy). A hole made by a boring predator is shown. Scale bar represents 200 micrometers. Credit: R. Bicknell, et al. (2025) Current Biology A study led by researchers at the American Museum of Natural History provides the oldest known…

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  • ScienceArchaeological Research Uncovers World's Oldest Evidence Of Livestock Horn Manipulation

    Archaeological research uncovers world’s oldest evidence of livestock horn manipulation

    Left: Sheep skull T54–1 viewed (a) from the front and (b) from the left front. Main features: (1) raised areas between horns, (2) perforated depressions. Right: Sheep skull T54–2 shown (a) from the front and (b) from the left front, with an enlarged view of the frontal region between the horn core bases. Main features: (1) smooth area without sutures,…

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  • BiologyWorld's Oldest Known Wild Bird Gives Birth Again At 74

    World’s oldest known wild bird gives birth again at 74 years old

    Wisdom (R), a Laysan albatross who is at least 74 years old, is pregnant again. Parenting can be difficult even for the young and energetic, but one elderly albatross is about to experience it again at the ripe (and apparently record-setting) age of 74. Wisdom the Laysan Albatross is one of the millions of giant seabirds that return to Midway…

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  • Space & CosmosOldest Direct Evidence Of Hydrothermal Activity On Mars Discovered

    Oldest direct evidence of hydrothermal activity on Mars discovered

    A sample of the Martian meteorite known as Black Beauty. Credit: Curtin University/Aaron Kabosie New Curtin University-led research uncovers what may be the oldest direct evidence of ancient hydrothermal activity on Mars, revealing the planet may have been habitable at some point in its past It became. The study analyzed 4.45 billion-year-old zircon particles from the famous Martian meteorite NWA7034,…

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  • ScienceOldest Fish Trapping Facility In Central America Discovered In Mayan Lowlands

    Oldest fish-trapping facility in Central America discovered in Mayan lowlands

    Researchers scouting the Crooked Tree Wildlife Refuge CTWS have found evidence of large-scale pre-Columbian fish-trapping facilities. Credit: Belize River East Archeology (BREA) Project Archaeologists at the University of New Hampshire and their team have collected data showing the existence of large-scale pre-Columbian fish-trapping facilities. Discovered in Belize’s largest inland wetland, the Crooked Tree Wildlife Sanctuary (CTWS), the researchers believe it…

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  • Other SciencesThe Oldest Alphabet Discovered In The Ancient City Of Syria

    The oldest alphabet discovered in the ancient city of Syria

    During excavations in the ancient city of Umm El Mara, a clay object approximately the size of a finger was discovered. The carved symbols may be part of the oldest known alphabet. Credit: Glenn Schwartz, Johns Hopkins University What may be the earliest evidence of human alphabetic writing has been carved into a finger-long clay cylinder excavated from a Syrian…

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  • ScienceResearchers Claim To Have Discovered The Oldest Stellar Disk In

    Researchers claim to have discovered the oldest stellar disk in the Milky Way

    We compare Milky Way observations and TNG50 simulations and scale height-to-height ratios as a function of age. Credit: Nature Astronomy (2024). DOI: 10.1038/s41550-024-02382-w A team of astronomers and astrophysicists from the Chinese Academy of Sciences and the University of Toronto has discovered what may be the oldest stellar disk in the Milky Way. In their study, reported in the journal…

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  • EarthOcean Dust Identifies Oldest Ice Near South America Dating Back

    Ocean dust identifies oldest ice near South America dating back 1.5 million years

    Benthic foraminiferal oxygen isotopes and marine and ice dust records from ODP site 1090, IODP site U1537, Dome Fuji (DF), and Epica Dome C (EDC). Dating back up to 2 million years. Climate cycles are indicated by dominant patterns of 40,000-year, 100,000-year, and irregular mid-Pleistocene transitions (MPTs). Credit: Past Climate (2024). DOI: 10.5194/cp-20-1437-2024 Earth’s climate has experienced significant changes over…

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  • ScienceResearchers Sequence Oldest Human Dna Ever From South Africa

    Researchers sequence oldest human DNA ever from South Africa

    DNA double helix. Credit: Public Domain Researchers have reconstructed the genomes of two humans found in South Africa that lived about 10,000 years ago, providing a better understanding of the conditions in which people in the region lived, the study authors announced Sunday. Victoria Gibbon, professor of biological anthropology at the University of Cape Town (UCT), said the genetic sequence…

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