Tag

Microbes

All articles tagged with #microbes

Moon Poles Could Shelter Earth Microbes, NASA Study Finds
space-and-spaceflight3 days ago

Moon Poles Could Shelter Earth Microbes, NASA Study Finds

NASA researchers tested five Earth microbes (including Deinococcus radiodurans and Aspergillus niger) in simulated lunar conditions and found that shadowed lunar polar pockets could preserve microbes in cryptobiosis, suggesting the Moon may be less inhospitable than thought and that astronauts could unintentionally contaminate it; the study in Science Advances used LRO data to map radiation and UV exposure and highlights cold traps at the poles as potential refuges for microbial life, raising planetary-protection considerations and opportunities for future sterile experiments.

Blood Falls Reveals Ancient Marine Origins Hidden Beneath Taylor Glacier
earth-science22 days ago

Blood Falls Reveals Ancient Marine Origins Hidden Beneath Taylor Glacier

A Nature Geoscience study shows Blood Falls' vivid red water originates from ancient seawater released from beneath Taylor Glacier, with genetic analysis indicating the brine hosts predominantly marine-associated microbes. The findings support the idea of a relic marine ecosystem beneath the Dry Valleys and suggest the subglacial water was trapped during past warm periods, offering a new timeline for flooding and isolation events and illustrating life's resilience in extreme polar environments.

Antarctica's Lake Vostok: A 15-Million-Year Liquid World Beneath Four Kilometers of Ice
science27 days ago

Antarctica's Lake Vostok: A 15-Million-Year Liquid World Beneath Four Kilometers of Ice

Beneath East Antarctica’s ice sheet, Lake Vostok—a lake roughly the size of Lake Ontario under about four kilometers of ice—has remained liquid for about 15 million years due to insulation, a pressure-lowered melting point, and continuous geothermal heat flux, driving circulation and accretion ice formation; evidence hints at microbial life, highlighting a unique, isolated habitat hidden from sunlight.

ISS Microbes Point Toward Sustainable Asteroid Mining
science6 months ago

ISS Microbes Point Toward Sustainable Asteroid Mining

An ISS BioAsteroid experiment tested bacteria and a fungus on asteroid material under microgravity and Earth gravity. Microbes extracted several metals, including palladium and platinum, sometimes outperforming non-biological leaching, though results varied by metal and organism. Overall, 44 elements were extracted, 18 biologically, suggesting microbes could enable more sustainable space mining, but much optimization remains.

Underground Fukushima Microbes Survive in Biofilm Shields, Challenging Decommissioning
science6 months ago

Underground Fukushima Microbes Survive in Biofilm Shields, Challenging Decommissioning

Researchers studying water beneath Fukushima’s reactors found bacteria thriving in radioactive conditions not thanks to classic radiation resistance but likely because protective biofilms form on metal surfaces; some microbes can cause metal corrosion, complicating cleanup efforts, and scientists speculate marine bacteria may have ridden in with the 2011 tsunami, revealing unexpected life in extreme environments.

Microbes Could Enable Human Habitats on Mars
science7 months ago

Microbes Could Enable Human Habitats on Mars

Scientists are exploring the use of Earth's microbes, specifically Sporosarcina pasteurii and Chroococcidiopsis, to transform Martian soil into building materials and produce oxygen, potentially enabling sustainable habitats on Mars through biocementation and 3D printing, reducing the need for transporting materials from Earth and supporting long-term human settlement.