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News Extra Terrestiral Life
February 26, 2015
Life Might Thrive a Dozen Miles Beneath Earth's Surface
Moffet Field CA (SPX) Feb 26, 2015
Life teems all over our planet's exterior and even down into the lightless oceanic depths. But just how far underground might life be able to hack it? New research offers evidence of bacteria living as deep as 12 miles underground - quite possibly the deepest life has ever glimpsed. Learning biology's terrestrial limits, though important in its own right, is critical to understanding life's rise on other planets with far less forgiving climates and surface conditions than the Earth's. "Most ... read more

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Tiny 'life detector' could sense alien movement: study
European researchers said Monday they have devised the first tiny motion detector that could help find microscopic life forms on distant planets. ... more
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Barren Deserts Can Host Complex Ecosystems in Their Soils
"Biological soil crusts" don't look like much. In fact, people often trample right over these dark, or green-tinted, sometimes raised patches in the desert soil. But these scruffy stretches can hous ... more
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Scientists create human primordial cells in the lab
The first time in history, researchers have successfully used human embryonic stem cells to create primordial germ cells, cells that divide and mature into egg and sperm. Previously, the feat had been accomplished using rodent stem cells - not those from a human embryo. ... more
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Young Red Dwarf Stars could Host Habitable Worlds
Red dwarf stars, or M dwarfs, have recently been hailed as the best places to discover alien life. They are by far the most common stars in our galaxy, making up 75 percent of all stars. They are al ... more
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Oil-dwelling bacteria are social creatures in Earth's deep biosphere
Oil reservoirs are scattered deep inside the Earth like far-flung islands in the ocean, so their inhabitants might be expected to be very different, but a new study led by Dartmouth College and Univ ... more
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How Did Life Become Complex, And Could It Happen Beyond Earth?
When astrobiologists contemplate life on nearby planets or moons, they often suggest such life would be simple. Instead of there being some kind of multicellular organism on, say, Jupiter's moon Eur ... more
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Preparing for Alien Life
At a recent event sponsored by NASA and the Library of Congress, a group of scientists and scholars explored how we might prepare for the inevitable discovery of life beyond Earth. n 1960, the ... more
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How Can We Search For Life On Icy Moons Such As Europa?
Our solar system is host to a wealth of icy worlds that may have water beneath the surface. The Cassini spacecraft recently uncovered evidence of a possible ocean under the surface of Saturn's moon, ... more
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Rapidly Freezing Saltwater Could Provide Spark of Life on Icy Worlds
A research team has confirmed the existence of a process that causes the electrolysis of water, and which has the potential to drive the production of life in "Snowball Earth" scenarios and on icy s ... more
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Extreme Shrimp May Hold Clues to Alien Life
At one of the world's deepest undersea hydrothermal vents, tiny shrimp are piled on top of each other, layer upon layer, crawling on rock chimneys that spew hot water. Bacteria, inside the shrimps' ... more
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Life Can Survive on Much Less Water Than You Might Think
"Follow the water" has long been the mantra of our scientific search for alien life in the Solar System and beyond. We continue seeking conditions where water can remain liquid either on a world's s ... more
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UW Team's Plants Return To Earth After Growing In Space
Researchers at Simon Gilroy's lab in the Department of Botany at the University of Wisconsin-Madison expect to greet a truck this afternoon that is carrying small containers holding more than 1,000 ... more
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Sustainability, astrobiology illuminate future of life in universe, civilization on Earth
Human-caused climate change, ocean acidification and species extinctions may eventually threaten the collapse of civilization, according to some scientists, while other people argue that for politic ... more
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Planetary Atmospheres a Key to Assessing Possibilities for Life
A planetary atmosphere is a delicate thing. On Earth, we are familiar with the ozone hole - a tear in our upper atmosphere caused by human-created chemicals that thin away the ozone. Threats to an a ... more
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Planet-forming Lifeline Discovered in a Binary Star System
For the first time, researchers using ALMA have detected a streamer of gas flowing from a massive outer disc toward the inner reaches of a binary star system. This never-before-seen feature may be r ... more
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Microbes in deep-sea rocks eat methane, lots of it
Most methane is buried deep in the ground. Some of it, however, bubbles up to escape, and that's good news for methane-loving microbes living in rocks that gather along the ocean's floor near methane sea vents, munching away on the colorless, odorless assembly of hydrocarbons. ... more
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    Alternative Earths Team To Join NASA Astrobiology Institute
    If we're looking at Mars, or planets in solar systems far, far away, how can we tell whether they support life? Researchers at the University of California, Riverside will share a $50 million grant ... more
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    Moons Can Help Planets Remain Stable Long Enough for Life to Form
    The Moon is more than just Earth's partner in space - it may have helped stabilize Earth's orbit enough for it to become hospitable for the evolution of complex forms of life. A new study suggests t ... more
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    CU-Boulder-led team study origins and evolution of life in universe
    NASA has awarded a team led by the University of Colorado Boulder more than $7 million to study aspects of the origins, evolution, distribution and future of life in the universe. The team, led by C ... more
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    Arctic Bacteria Show Long Evolution in Toxic Mercury Resistance
    With Mars and Europa out of reach, many scientists have turned to studying some of the Arctic and Antarctic microbes that have adapted to similarly harsh conditions on Earth. One recent study has tr ... more
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    NASA Selects New Science Teams for Astrobiology Research
    NASA has awarded five-year grants totaling almost $50 million to seven research teams nationwide to study the origins, evolution, distribution, and future of life in the universe. "With the Cu ... more
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    Light Scattering on Dust Holds Clues to Habitability
    We are all made of dust. Dust particles can be found everywhere in space. Disks of dust and debris swirl around and condense to form stars, planets and smaller objects like comets, asteroids and dwa ... more
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    Scientists Resurrect Ancient Proteins to Learn about Primordial Life on Earth
    Geological evidence tells us that ancient Earth probably looked and felt very different from the planet we all recognize today. Billions of years ago, our world was a comparatively harsh place. Eart ... more
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    Heritage of Earth's water gives rise to hopes of life on other planets
    A pioneering new study has shown that water found on Earth predates the formation of the Sun - raising hopes that life could exist on exoplanets, the planets orbiting other stars in our galaxy. The ... more
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