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Harold Morowitz at the “Matrix of Biological Knowledge” workshop in 1987.
In Memoriam: Harold MorowitzApril 25, 2016
A current view of the tree of life, encompassing the total diversity represented by sequenced genomes.
A New View of the Tree of LifeApril 22, 2016
Stardust was the first spacecraft to return a cometary sample and extraterrestrial material from outside the orbit of the moon to Earth.
Comet Wild 2 is not a GoldmineApril 21, 2016
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From Stars to Life. Mary Voytek Talks Astrobiology at the Center of Theological InquiryApril 20, 2016
September 2009 artist's conception of the James Webb Space Telescope. Credit: NASA
Identifying Planetary Biosignature ImpostorsApril 19, 2016
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Life in the Universe - The Science of AstrobiologyApril 18, 2016
The microorganism, Rhodococcus sp. JG-3, was isolated from the Upper Dry Valleys of Antarctica.
Improved Sequence of an Antarctic OrganismApril 14, 2016
(Top row, left to right) Titan, Earth's moon, Europa and Enceladus. (Bottom row, left to right) Callisto, Charon, Ariel and lo. Image credit: NASA
Hot On The Trail Of Alien MoonsApril 14, 2016
Earth’s thin atmosphere is all that stands between life on Earth and the cold, dark void of space.
A Fast PCA-Based Radiative Transfer ModelApril 12, 2016
Astronaut photograph (ISS011-E-10575) of Yellowstone Lake from orbit. Geothermal features such as geysers and hot springs are located in the West Thumb area. This is thought to be due to a relatively shallow, local magma source.
Geomicrobiology of Yellowstone LakeApril 10, 2016
An example of a mixed biofilm under a microscope.
A View into the Complexity of Microbial CommunitiesApril 7, 2016
A bacterium that causes deadly cerebrospinal meningitis, <em>Neisseria meningitidis</em>, uses type IV pili to help it erode and cross the human blood brain barrier, a structure that surrounds the brain tissue and ordinarily protects it from invasion.
Appendages Help Microbes Survive Harsh ConditionsApril 5, 2016
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