5+ day, 21+ hour ago  (269+ words) astrobiology. com The New Geological Age That Never Was Or The Multiple Layers Of The Transientocene Since its humble origins, humans have left imprints on the face of the planet. From the profound transformation unleashed by the Neolithic Revolution, about…...

5+ day, 21+ hour ago  (215+ words) Researchers have created the first map of a network of subglacial lakes in the Canadian Arctic showing 33 bodies of water under glaciers. Using a decade of Arctic DEM satellite data of the Earth's surface height, a team of researchers including…...

5+ day, 21+ hour ago  (221+ words) It transports far more than 100 times as much water as all of the Earth's rivers combined: The Antarctic Circumpolar Current rushes around the southern continent unhindered by land masses and is therefore a fundamental component of the climate system. In…...

1+ week, 2+ hour ago  (293+ words) Reconstruction of Jiangchuan biota (~554-539 million years ago). Credit: Xiaodong Wang. Credit Xiaodong Wang Other ancestral groups among the fossils included worm-like bilaterian animals (having bilateral symmetry), some with complex feeding adaptations, alongside rare fossils interpreted as early comb jellies. Many…...

1+ week, 2+ day ago  (175+ words) astrobiology. com Revealing the Internal Structure of Mars-Analog Glaciers From Drone-Based Radar Sounding Debris-covered glaciers (DCGs) at the mid latitudes of Mars preserve ice accumulated in multiple episodes of high obliquity during the Amazonian age. The englacial debris layers formed…...

1+ week, 2+ day ago  (188+ words) Ichnofossils in Volcanic Glass From Palaeoproterozoic Hydrothermal Vents Were Burrowed By Microorganisms Probably Sseeking Phosphate'astrobiology. com Ichnofossils in Volcanic Glass From Palaeoproterozoic Hydrothermal Vents Were Burrowed By Microorganisms Probably Seeking Phosphate Ichnofossils in basaltic glass are putative microscopic trace fossils…...

1+ week, 3+ day ago  (189+ words) A wide view of the area where the Mars Science Laboratory science team discovered evidence of an ancient sandstorm. Credit: NASA/JPL-Caltech "This was very serendipitous. We weren't really looking for these deposits, and then lo and behold, we drove…...

1+ week, 6+ day ago  (133+ words) astrobiology. com Super Cam Identifies Corundum In Jezero Crater, Mars, Using Time-Resolved Luminescence Spectroscopy The Perseverance rover recently began exploring the Jezero crater rim after traversing the crater floor, fan deposits, and margin unit. In the rim deposits, several plagioclase-rich…...

1+ week, 6+ day ago  (651+ words) Explorers Club Fellow, ex-NASA Space Station Payload manager/space biologist, Away Teams, Journalist, Lapsed climber, Synaesthete, Na'Vi-Jedi-Freman-Buddhist-mix, ASL, Devon Island and Everest Base Camp veteran, (he/him) " Climate And Ocean Circulation Changes Toward A Modern Snowball Earth It has been…...

1+ week, 6+ day ago  (662+ words) Planetary scientists have long debated where the material that formed our Earth comes from. Despite its location in the inner Solar System, they consider it likely that 640 per cent of this material must have come from the outer Solar System,…...