Tapetes microbianos en el sumidero del Lago Huron, combinado con modelado, sugiere que el cambio en duración del día de la Tierra podría haber jugado un rol principal en la oxigenación de la atmósfera.
Origin of life
Posted inNews
New NASA Science Head Foresees Progress in Search for Alien Life
Thomas Zurbuchen said other top goals for science and the agency include understanding and protecting life on Earth and probing fundamental aspects of the universe like dark matter and dark energy.
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Did Solar Flares Cook Up Life on Earth?
Scientists have found that "super" solar flares could have warmed the ancient planet and jump-started life.
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Impacts Might Have Made Ancient Mars Briefly Hospitable to Life
A bombardment of the Red Planet 4 billion years ago could have created hot springs that allowed life to flourish.
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New NOVA TV Show Explores Coevolution of Rocks and Life
Mineralogist Robert Hazen and other scientists probe connections between living organisms and rocks in "Life's Rocky Start," which premieres tonight on PBS stations around the United States.
Posted inScience Updates
Where Curiosity Has Taken Us
The Curiosity rover, one of NASA's flagship missions, analyzes Martian geology, geochemistry, climatology, and radiation to assess whether Mars could have supported microbial life.
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Earth's Water Came from Space Dust During Planetary Formation
A new analysis of lava from the deep mantle indicates that water-soaked dust particles, rather than a barrage of icy comets, asteroids, or other bodies, delivered water to the newly forming Earth.
Posted inResearch Spotlights
Curiosity Rover Finds Organic Molecules on Martian Surface
Scientists assess the present and past habitability of Mars from organic compounds detected at Gale Crater.
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Astrobiology Hearing Ranges Beyond Life as We Know It
Space research has made strides identifying where extraterrestrial life might reside but not what kind of life, if any, it could be, scientists told Congress last week.
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NASA Hopes to Find Strong Indications of Life Beyond Earth Soon
With the search for water and habitable planetary bodies proceeding at an increasing pace, NASA scientists say they are getting closer to finding evidence of extraterrestrial life.