Parts of Great Barrier Reef dying at record rate, alarmed researchers say
Scientists say biggest coral in the world discovered in the Pacific
Surfboards with lights could deter shark attacks: "Invisibility cloak"
Trump officials likely to reverse drilling waste "methane fee" EPA is imposing
Site of ancient, key battle in Iraq found using spy satellite images
DNA reveals surprises about Pompeii eruption victims
China's space station gets new crew as Beijing advances Xi's "space dream"
Neil deGrasse Tyson takes readers on a cosmic journey with "Merlin"
