Science news articles about 'atomic bomb tests'

WASHINGTON, Oct. 20 (UPI) -- A research group says radioactive fallout from the 1940s to the 1960s U.S. atom bomb testing will cause thousands of Americans to die from cancers.

... But those missing markers of radiation, remnants from atomic bomb tests a half-century ago, foretell much ... Arctic nuclear blasts and the 1952-58 nuclear tests in the South Pacific, provide well-dated ...

... . But those missing markers of radiation, remnants from atomic bomb tests a half-century ago, foretell much greater threat to the half-billion or more people living downstream of ...