• AP Top Science News at 6:27 p.m. EDT

    Updated:

    NASA scientists fly over Greenland to track melting ice

    Virgin Galactic reveals futuristic outpost for space tourism

    Climate change still threatens key US river after wet winter

    Library of spider silk could hold secrets for new materials

    Scientists say monster penguin once swam New Zealand oceans

    Court rules for US in fight over Nevada plutonium shipment

    Greta Thunberg's sailing adventure no pleasure cruise

    Pure as snow? Scientists say air carrying plastics to Arctic

    Study: Asian carp could find plenty of food in Lake Michigan

    Amid protest, Hawaii astronomers lose observation time

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