Tropical Storm Karen has formed in the Gulf of Mexico, and a hurricane watch is in effect along the Gulf Coast from Louisiana to Florida.
From promise to reality: Gene sequencing solves one-fourth of mystery diseases in kids, adults
Experimental surgery for unusual form of infertility produces a baby boy for Japanese woman
Agency reports 10,000 walrus ashore in northwest Alaska as ice recedes beyond shallow water
NASA Cassini spacecraft detects plastic ingredient on Saturn moon Titan
New commercial supply ship reaches space station after week's delay, delivers lots of food
SpaceX launches Canadian satellite from California coast to test upgraded rocket
It may not be at the top of the list of important things affected by the government shutdown, but for the Smithsonian Natural History Museum, a very special package could be delayed.
NJ chemist convicted of fatally poisoning her husband in 2011 sentenced to life in prison
Federal judge orders Fla. marine exploration company to pay Spain $1M for 'abusive litigation'
National Zoo's panda cam, other live cameras, would go dark in government shutdown
Key findings of IPCC report on climate change
International panel confirms man-made warming, says worst heat, higher seas still to come
Wolves once again on the prowl in Europe thanks to conservation efforts, study finds
10 things to know about the UN-sponsored panel on climate change, the IPCC
How sensitive is the Earth's climate to CO2? Key question for major climate report
Astronaut Scott Carpenter, 2nd American to orbit Earth, recovering from stroke
Spacecraft delivers American, 2 Russians to International Space Station
Mud, rocks, bubbling gas make up small island that formed off Pakistan coast after quake
As Greece showcases Olympic birthplace, another ancient stadium threatened by cuts
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