"People know about the global trade in shark fins, but few know that some of the most valuable fins ... used in shark fin soup come from the sharklike rays — species like sawfishes and wedgefishes and guitarfishes," says Sonja Fordham, who contributed to a new analysis of the fisheries.
The Rosetta spacecraft has awakened. It was put in hibernation for 31 months while its orbit took it nearly half a billion miles from the sun, too far for its solar arrays to keep the spacecraft operational. But now it's close enough, and European Space Agency mission managers will start preparing for Rosetta's rendezvous with a comet later this year.
Whole Foods recently decided it would not buy produce from farmers who used treated sewage sludge, also known as biosolids, on their fields. But scientists say this is a mistake — the material is safe and benefits the environment in lots of different ways.
The Washington region is bracing for four to seven inches of snow today, followed by a blast of arctic air that will plunge temperatures into the single digits. We talk with Jason Samenow, from The Washington Post's Capital Weather Gang...
Scientists are celebrating after receiving a signal from a spacecraft on a long journey. The Rosetta is studying a comet in more detail than ever before. The spacecraft's call home means the robot has successfully awakened itself from a long hibernation.
"Hands-free" is taking on a new meaning. Games hitting the market use EEGs so you can move a toy helicopter with your mind or play the brain like a musical instrument. It's the stuff of sci-fi movies, but potentially with an added health benefit.
These cousins of the shark send thousands of waders and surfers yelping for medical help each year. A powerful toxin in the barb of the ray's tail triggers a "knifelike pain" that can last for hours. Best prevention? Do the "stingray shuffle."
Some of the earliest science fiction imagined voyages to Mars. We now have the space-faring technology to make reaching the Red Planet possible. It would involve massive resources and many potential dangers, but some believe the rewards would be massive.
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