Tag

Extremophiles

All articles tagged with #extremophiles

science21 days ago•4 min saved

Desert Moss Could Kickstart Mars Habitats by Surviving Extreme Dehydration

Researchers spotlight Syntrichia caninervis, a desert moss from Earth, as a potential Mars pioneer: it can survive near-total dehydration (losing up to 98% of its water), endure temperatures as low as -196°C, and resist gamma radiation, suggesting it could gradually modify Martian soil and even produce oxygen, with scientists exploring whether such traits could eventually boost crops like wheat for long‑term space missions.

via The Daily Galaxy|

#dehydration-tolerance #extremophiles #mars

science1 month ago•6 min saved

Tiny Nematodes Discovered Living Deep in Great Salt Lake Sediments

University of Utah researchers report finding microscopic nematodes living in the sediment beneath Great Salt Lake, revealing a hidden layer of biodiversity in this hypersaline environment. Genetic analysis identified multiple nematode species that inhabit lakebed spaces, feeding on bacteria and organic matter to help recycle nutrients and potentially shaping the lake’s microbial ecosystem. The discovery, published in the Journal of Nematology, expands our understanding of life in extreme habitats.

via The Daily Galaxy|

#biodiversity #extremophiles #great-salt-lake

space-and-spaceflight1 month ago•16 min saved

Tiny Life Survives Asteroid-Scale Shock in Lithopanspermia Test

Johns Hopkins researchers simulated the harsh journey life might take on a rock traveling between planets, blasting Deinococcus radiodurans between metal plates at speeds up to 300 mph to mimic asteroid ejection from Mars. The microbes withstood 1–3 gigapascals of pressure, with only some internal damage, while the steel plates failed. The study lends support to the lithopanspermia idea that life could hitch rides on asteroids, but it remains unproven and limited in scope, and it underscores the need for planetary protection and further testing on other extremophiles.

via Gizmodo|

#asteroids #astrobiology #extremophiles

science1 month ago•5 min saved

Deep-Sea Archaea Survive Extreme Radiation: A Byproduct of Hydrothermal Vent Life

Scientists report Thermococcus gammatolerans, an archaeon living near Guaymas Basin vents, can endure gamma radiation up to 30,000 grays—far more than lethal human doses. Its radiation tolerance isn’t due to extra DNA repair genes but likely arises from the harsh vent environment, which reduces oxidative damage and enables rapid repair, suggesting the trait is a byproduct of hydrothermal-vent life rather than a specialized adaptation.

via ScienceAlert|

#dnarepair #extremophiles #hydrothermalvents

nature1 month ago•1 min saved

Air-bubble armor lets alkali fly survive California's caustic Mono Lake

A BBC Wildlife feature explains how the alkali fly survives the toxic, salty waters of California's Mono Lake by living mostly underwater inside an air bubble, aided by a waxy, water-repellent cuticle; only its eyes touch the liquid, and it feeds on algae with grappling-hook claws, effectively wearing a natural armor for an extreme environment.

via BBC Wildlife Magazine|

#adaptation #alkali-fly #extremophiles

science2 months ago•4 min saved

Earth's Extremophiles Hint at a More Habitable Mars

New experiments show two lichen species, Diploschistes muscorum and Cetraria aculeata, can survive Martian-radiation levels in a vacuum chamber, suggesting some Earth extremophiles might endure Mars-like conditions for future missions; however, liquid water remains a major hurdle, while tardigrades and mosses are also highlighted as potential testers for long-term space exploration.

via The Daily Galaxy|

#extremophiles #lichens #mars

science6 months ago•13 min saved

Tardigrades: The Resilient Creatures That Could Safeguard Humanity

Tardigrades, tiny resilient creatures capable of surviving extreme conditions like space, radiation, and desiccation, are being studied for potential human applications such as protecting against radiation damage, preserving medicines, and aiding space exploration. Their survival mechanisms include specialized proteins and entering a state of suspended animation, offering insights into extreme resilience and biotechnological innovations.

via BBC|

#biotechnology #extremophiles #radiation-resistance

science7 months ago•4 min saved

Microbe Converts Mars Dust to Oxygen, Potential Space Pet

A cyanobacterium called Chroococcidiopsis, capable of surviving extreme space and Earth conditions, including radiation, freezing temperatures, and Martian soil, could be a valuable tool for future space exploration and colonization efforts, especially for producing oxygen and studying extraterrestrial life.

via ScienceAlert|

#astrobiology #chroococcidiopsis #cyanobacteria

science7 months ago•5 min saved

Scientists Discover Vast Ecosystem Beneath Earth's Surface

Scientists have discovered that nearly 70% of Earth's microbial life exists deep underground, in extreme conditions, with a vast ecosystem that may rival surface life in complexity and size, offering new insights into life's resilience and potential existence on other planets.

via Indian Defence Review|

#astrobiology #deep-biosphere #earths-carbon-storage

science7 months ago•13 min saved

Chasing the Unimaginable in Life's Pursuit

Karen Lloyd studies microbes living deep beneath the Earth's surface, revealing their extraordinary survival capabilities, including living for hundreds of thousands to millions of years, which expands our understanding of life's limits and resilience in extreme environments.

via Quanta Magazine|

#biosphere #earths-crust #extremophiles

science7 months ago•4 min saved

Small Animal's Potential to Aid Human Mars Colonization

Tardigrades, tiny resilient animals, possess unique proteins like Dsup that protect their DNA from extreme radiation and environmental stresses, making them promising models for enhancing human space travel safety and developing resilient crops and medical supplies. Their ability to survive harsh conditions could inform future Mars colonization efforts and biotechnological applications on Earth.

via Earth.com|

#dsup-protein #extremophiles #radiation-protection

science9 months ago•2 min saved

Scientists Discover Unexplained Mysterious Lifeform

Scientists discovered mysterious tube-like structures in desert rocks of Namibia, Oman, and Saudi Arabia that do not match known geological processes, suggesting they may be formed by an unknown microbial life, possibly from ancient times, though their current existence remains uncertain.

via The Daily Galaxy|

#extremophiles #fossil-discovery #geological-structures

science10 months ago•3 min saved

Super Natural: Creatures That Survive Anywhere

The article explores extraordinary creatures like extremophiles, tardigrades, and deep-sea species that survive in extreme environments on Earth, highlighting their resilience and the impact of human pollution, such as plastic, on these ecosystems, while emphasizing the enduring nature of life.

via The Guardian|

#deep-ocean-life #extremophiles #movile-cave

science-and-technology2 years ago•6 min saved

"NASA's Sunscreen Breakthrough: Immortal Bacteria Holds the Key"

NASA discovered a resilient bacteria, bacillus pumilus, that survived exposure to cosmic radiation, leading to its use in boosting SPF in sunscreens. The bacteria was discovered by a scientist who decontaminates spacecraft bound for Mars, and its UV resistance is now being leveraged by a Massachusetts-based company, Delavie Sciences, to create a new ingredient for sunscreen. This discovery has led to the development of skincare products and has potential applications in activating skin cells' production of hyaluronic acid. The bacteria's use in sunscreen has shown to increase SPF by 22 to 33 percent, and the company is now exploring other extremophiles for potential commercialization, emphasizing the significant contributions of NASA in this field.

via Mashable|

#bacteria #extremophiles #nasa

science-and-environment2 years ago•3 min saved

"Discovery of New Species in Great Salt Lake Alters Ecosystem Understanding"

Scientists have discovered a third form of multicellular life, nematodes, in the Great Salt Lake, challenging the long-held belief that only brine shrimp and brine flies inhabited the ultra-saline waters. These worms, found in microbialites on the lake bed, are uniquely adapted to the extreme salinity and may be at risk of disappearing as the lake's water levels decrease due to human usage and climate change. The study highlights the urgent need to understand and protect this unique ecosystem before it collapses completely.

via ScienceAlert|

#ecosystem-collapse #extremophiles #great-salt-lake