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Posts Tagged "life on Earth"

Life, Unbounded

Deep Space, Branching Molecules, and Life’s Origins?

Hub of complex chemistry? Our galactic center (MSX/IPAC/NASA)

If biologically important organic molecules like amino acids could form in interstellar space, the implications would be enormous. On the Earth we find plenty of amino acid species inside certain types of meteorites, so at a minimum these compounds can form during the assembly of a proto-stellar, proto-planetary system (at least this one) and end [...]

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Life, Unbounded

Your Grandmother Was A Molecule

70s_atrna

Well, perhaps your great-to-the-hundred-millionth-grandmother was. Understanding the origins of life and the mechanics of the earliest beginnings of life is as important for the quest to unravel the Earth’s biological history as it is for the quest to seek out other life in the universe. We’re pretty confident that single-celled organisms – bacteria and archaea [...]

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Observations

The Race to Catalogue Living Species before They Go Extinct

soft-coral

The U.S. has spent several billion dollars looking for life on other planets. Shouldn’t we spend at least that much finding and identifying life on Earth? That is the argument behind a taxonomy analysis by a trio of scientists in Science, published on January 25. They argue just $500 million to $1 billion a year [...]

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