Fossils don’t always come in large, dinosaur-sized packages. Microfossils refer to a type of fossil that is so small, it can only be perceived with a microscope. These microfossils can […]
fossils
Posted inAtmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Extinction events, Fossils & Paleontology, Gaia - Planetary Perspectives, Habitable Zones, Origin & Evolution of Life, Press Release, Water/Hycean Worlds & Oceanography
Carbon Dioxide Has Driven Drastic Changes In Earth’s Global Temperature Over The Past 485 Million years
A new study co-led by the Smithsonian and the University of Arizona offers the most detailed glimpse yet of how Earth’s surface temperature has changed over the past 485 million […]
Posted inBiogeochemical Cycles & Geobiology, Extinction events, Fossils & Paleontology, Press Release, Water/Hycean Worlds & Oceanography
Oceans And Continents Devastated Marine Life Millions Of Years Ago
Scientists have revealed how a “tag-team” between the oceans and continents millions of years ago devastated marine life – and altered the course of evolution on Earth. Their study has […]
Posted inBiogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Fossils & Paleontology, Habitable Zones, Press Release, Water/Hycean Worlds & Oceanography
Seawater Barium and Sulfide Removal Improved Marine Habitability for the Cambrian Explosion of Early Animals
This study is led by Dr. Wei Wei, PhD student Lin-Hui Dong, and Prof. Fang Huang at the University of Science and Technology of China. Excess barium contents (Baexcess) and […]
Posted inBiosignatures & Paleobiology, Fossils & Paleontology, Gaia - Planetary Perspectives, Microbiology & Virology, Press Release
The Search For The Earliest Traces Of Life On Earth
The isotopic composition of carbon in iron formations from the Saglek-Hebron Complex in Nunatsiavut (northern Labrador) has been seen as evidence of the earliest traces of life on Earth. But […]
Posted inFossils & Paleontology, Genomics, Proteomics, Bioinformatics, Nomenclature, Systematics, Natural History, Origin & Evolution of Life, Press Release
Unlocking The Secrets Of Evolution
Ever since Darwin published his landmark theory of how species evolve, biologists have been fascinated with the intricate mechanisms that make evolution possible.
Posted inAstrobiology (general), Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Fossils & Paleontology, Origin & Evolution of Life, Press Release
Complex Life On Earth May Have Begun Around 1.5 Billion Years Earlier Than Previously Thought
Until now, scientists broadly accepted animals first emerged on Earth 635 million years ago.
Posted inAI - Data - Apps - Cybernetics, Away Teams & Field Reports, Biosignatures & Paleobiology, Exploration Gear & Tech, Fossils & Paleontology, Habitable Zones, Imaging & Spectroscopy, Missions & Hardware, Nomenclature, Systematics, Natural History, Press Release, Tricorders & Sensors
Tricorder Tech: A Novel AI Algorithm For Analyzing Microfossils
Editor’s note: the two large rovers NASA has in operation on Mars utilize AI – or Machine Learning – both on Earth and in some cases inside a rover itself […]
Posted inAtmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Extinction events, Fossils & Paleontology, Gaia - Planetary Perspectives, Mapping, Geodesy, Cartography, Bathymetry, Origin & Evolution of Life, Press Release, Water/Hycean Worlds & Oceanography
Sediments Reveal The Ancient Ocean During a Mass Extinction Event
About 183 million years ago, volcanic activity in modern South Africa unleashed an estimated 20,500 gigatons of carbon dioxide (CO2) into the ocean-atmosphere system over a period of 300 to […]
Posted inArctic / Antarctic / Alpine, Away Teams & Field Reports, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Fossils & Paleontology, Mapping, Geodesy, Cartography, Bathymetry, Microbiology & Virology, Origin & Evolution of Life, Status Report
Orbital View Of Pilbara, Australia Where Some Of Earth’s Oldest Fossils Can Be Found
The Pilbara in northwestern Australia exposes some of the oldest rocks on Earth, over 3.6 billion years old. The iron-rich rocks formed before the presence of atmospheric oxygen, and life […]