[AAAS] Ancient sea-level changes provide new evidence that during the Jurassic and Cretaceous, Earth underwent episodes of rapid “true polar wander” (TPW).
Carboniferous
Posted inBiosignatures & Paleobiology, Gaia - Planetary Perspectives, Intelligence & Language, SETI & Technosignatures, Status Report
How Common Are Oxygenic Photosynthesis And Large Coal Deposits On Exoplanets?
In the search for extraterrestrial intelligence (SETI), it is often assumed that intelligent life on an Earth-like exoplanet would inevitably develop the technological means for interstellar communication. This assumption ignores […]
Posted inAtmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Fossils & Paleontology, Genomics, Proteomics, Bioinformatics, Nomenclature, Systematics, Natural History, Origin & Evolution of Life, Press Release, Water/Hycean Worlds & Oceanography
How Did Earth’s Animal Life Transition From Aquatic To Terrestrial Environments?
The transition from aquatic to terrestrial life has been one of the most significant evolutionary challenges. This decisive process in the evolution of life on Earth required a profound renewal […]
Posted inBiosignatures & Paleobiology, Fossils & Paleontology, Mapping, Geodesy, Cartography, Bathymetry, Origin & Evolution of Life, Plant Biology, Press Release
Rare 3D Fossils Show That Some Early Trees Had Forms Unlike Any You’ve Ever Seen
In the fossil record, trees typically are preserved with only their trunks. They don’t usually include any leaves to show what their canopies and overall forms may have looked like.