PASADENA, Calif., Aug. 17 (UPI) -- U.S. space agency scientists say they've found glycine, a basic building block of life, in samples of comet Wild 2 returned by NASA's Stardust spacecraft.

BLOOMINGTON, Ind., Oct. 16 (UPI) -- U.S. space agency-funded research suggests lightning and gases from volcanic eruptions could have given rise to the first life on Earth.

MOFFETT FIELD, Calif., Oct. 6 (UPI) -- The National Aeronautics and Space Administration has picked 10 U.S. teams to study the origins, evolution, distribution and future of life in the universe.

TEMPE, Ariz., Oct. 1 (UPI) -- A study funded by the U.S. space agency suggested oxygen existed in Earth's atmosphere much earlier than thought.

WASHINGTON, May 9 (UPI) -- NASA has awarded grants to four research teams that will become new members of its Astrobiology Institute.

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