Google has banned gun sales from its new shopping platform, a move drawing fire from hunters and weapons enthusiasts but praised by gun control activists.
Argentina's supreme court has upheld key articles of a law aimed at protecting glaciers, despite a legal challenge from mining companies, including Canadian giant Barrick Gold.
Plastic pollution off the northwest coast of North America is reaching the level of the notoriously polluted North Sea, according to a new study led by a researcher at the University of British Columbia.
Urban farming is being taken to new heights in an abandoned Chicago pork processing plant where environmentalists hope to "get off the grid" by using the waste from one crop to feed and power another.
A nearly 50-year bid to explain a riddle of fundamental matter faces a key moment on Wednesday when physicists unveil fresh data in their search for a particle called the Higgs boson.
A video from Europe's CERN physics lab, apparently posted mistakenly on the eve of an announcement on the elusive "God Particle," reveals that a new subatomic particle has been observed in the relevant range.
Google said Tuesday it was discontinuing its iGoogle page designed as Web "portal," saying it had become less relevant in the age of the mobile Internet.