• Natural nuclear reactors have arisen on Earth and possibly on other planets. The radiation and energy released by these reactors would have had complex effects on any developing life.
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  • All life on Earth relies on a standard set of 20 amino acids to build the proteins that carry out life's essential actions. But did it have to be this way?
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  • Free-floating planets and sub-brown dwarfs – objects with mass midway between planets and stars – could prove fertile grounds for extraterrestrial life, according to a new study.
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  • When packing for a manned mission to Mars or the Moon, the best thing to bring may not be food or fuel, but specially-designed organisms that can create those things for you.
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  • Scientists have found amazingly diverse microbial life in the world's deepest water-filled sinkhole, even down where sunlight can't reach. The discovery adds new insight into life´s ability to thrive in Earth´s most extreme environments. This research also could aid the search for life
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  • A new study of how climate conditions have affected the origin and evolution of life on Earth could provide clues to understanding how climates on alien planets might affect their potential for life.
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  • Scientists are studying the best ways to compose messages meant for alien eyes in case we ever do get the chance to communicate with extraterrestrials.
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  • In the search for life beyond Earth, we should not expect to find life forms we´re familiar with. Determining whether something completely alien is 'alive´ could be a challenge, so a universal definition of life is needed. Biologists have yet to agree on a definition,
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  • In the search for life beyond Earth, we should not expect to find life forms we´re familiar with. Determining whether something completely alien is 'alive´ could be a challenge, so a universal definition of life is needed. Biologists have yet to agree on a definition,
    more...
  • Astrobiology Magazine is looking back over 2009, highlighting the top 10 astrobiology stories of the year. At number 10 is a debate about icy plumes emanating from Saturn´s tiny moon, Enceladus. Are the plumes evidence that the moon could have a liquid water ocean
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