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In the Beginning: More early clues for life at home, out there

Astronomers have just moved closer to understanding how the raw ingredients for life may have arisen on Earth as well as on planets light-years beyond the solar system.

One team, using the Hubble Space Telescope, has for the first time detected an organic molecule in the atmosphere of a planet orbiting another star. Although the orb can't support life, the discovery bodes well for finding organic material on more habitable exoplanets. Another team found that space rocks delivered a bigger helping of amino acids—the building blocks of proteins—to the early Earth than previously suspected.

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