Elements essential to life, such as carbon, nitrogen, oxygen, phosphorus, and sulfur, were “delivered” to the Earth and Moon during the early stages of the Solar System via asteroids and […]
nanoSIMS
Posted inAstrochemistry, Astrogeology, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Comets and Asteroids, Missions & Hardware, Press Release, Sample Return
Asteroid Bennu Is A Time Capsule Of Materials Bearing Witness To Its Origin And Transformation Over Billions Of Years
Asteroid Bennu — the target of NASA’s OSIRIS-REx sample return mission, led by the University of Arizona — is a mixture of materials from throughout, and even beyond, our solar […]
Posted inBiosignatures & Paleobiology, Fossils & Paleontology, Imaging & Spectroscopy, Nomenclature, Systematics, Natural History, Origin & Evolution of Life, Press Release
Unveiling Ancient Life: New Method Sheds Light On Early Cellular And Metabolic Evolution
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 […]
Posted inBiochemistry & Organic Chemistry, Gaia - Planetary Perspectives, Genomics, Proteomics, Bioinformatics, Habitable Zones, Microbiology & Virology, Status Report, Water/Hycean Worlds & Oceanography
Urea Assimilation and Oxidation Supports the Activity of a Phylogenetically Diverse Microbial Community in the Dark Ocean
Urea is hypothesized to be an important source of nitrogen and chemical energy to microorganisms in the deep sea; however, direct evidence for urea use below the epipelagic ocean is […]