Posted inAtmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Gaia - Planetary Perspectives, Habitable Zones, Icy Worlds, Microbiology & Virology, Origin & Evolution of Life, Press Release, Terraforming & Geoengineering, Water/Hycean Worlds & Oceanography

Were Earth’s Blue Oceans Once Green?

Scientists find evidence that our oceans used to be green, suggesting that this may be a sign of primitive life, including that on alien worlds.

Posted inAtmospheres, Climate, Weather, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Gaia - Planetary Perspectives, Habitable Zones, Lava / magma ocean / Volcanic Worlds, Microbiology & Virology, Press Release, Terraforming & Geoengineering, Water/Hycean Worlds & Oceanography

Are Volcanoes Behind The Oxygen We Breathe?

It is widely believed that Earth’s atmosphere has been rich in oxygen for about 2.5 billion years due to a relatively rapid increase in microorganisms capable of performing photosynthesis. Researchers, […]

Posted inAnalog Studies, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Lava / magma ocean / Volcanic Worlds, Microbiology & Virology, Press Release

Photosynthetic Insights From Volcanic Hot Springs

Italy’s Phlegraean Fields is a hotspot of volcanic activity — an ever-shifting landscape pocketed with acidic hot springs. This huge caldera is a part of the Campanian volcanic arc, which […]

Posted inBiochemistry & Organic Chemistry, Genomics, Proteomics, Bioinformatics, Microbiology & Virology, Origin & Evolution of Life, Status Report

A Novel Quinone Biosynthetic Pathway Illuminates The Evolution Of Aerobic Metabolism

The dominant organisms in modern oxic ecosystems rely on respiratory quinones with high redox potential (HPQs) for electron transport in aerobic respiration and photosynthesis. The diversification of quinones, from low […]

Posted inAnalog Studies, Away Teams & Field Reports, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Fossils & Paleontology, Habitable Zones, Microbiology & Virology, Origin & Evolution of Life, Press Release, Sample Return

Journey to the Center of the Earth: The Search for Dark Oxygen

By Emily Greenhalgh – The elevator ride down was quicker than he expected. South Africa has the deepest active mines on Earth. And MBL scientist Emil Ruff and an international […]

Posted inAtmospheres, Climate, Weather, Biochemistry & Organic Chemistry, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Origin & Evolution of Life, Status Report

Potential For Life To Exist And Be Detected On Earth-like Planets Orbiting White Dwarfs

With recent observations confirming exoplanets orbiting white dwarfs, there is growing interest in exploring and quantifying the habitability of temperate rocky planets around white dwarfs.

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