PORTLAND, Ore. (AP) — Tiny bits of broken-down plastic smaller than a fraction of a grain of rice are turning up everywhere in oceans, from the water to the guts of fish and the poop of sea otters and giant killer whales.Yet little is known about the...

SAN DIEGO (AP) — A Southern California aquarium has successfully bred the rare weedy sea dragon, the lesser known cousin of the sea horse that resembles seaweed when floating.San Diego's Birch Aquarium at Scripps Institution of Oceanography said in...