• AP Top Science News at 8:25 a.m. EDT

    Updated:

    How much pot in that brownie? Chocolate can throw off tests

    Hawaii or Spain? Telescope experts say it may not matter

    Extinction bites: countries agree to protect sharks and rays

    France threatens economic retaliation over Amazon fires

    Russian capsule carrying robot fails space station docking

    Russia's floating nuclear plant sails to its destination

    Rolling Stones get name on little Martian rock that rolled

    Climate change turns Arctic into strategic, economic hotspot

    Last of its kind rocket puts GPS satellite in orbit

    California sails toward biggest salmon harvest in years

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