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Lizards were sent into orbit as part of study into effects of weightlessness on sexual intercourse
Designated area includes 685 miles of beach and 300,000 square miles of ocean spanning six states
Meet 18-year-old Petra Grutzik, whose award-winning research with UCLA neuroscientists is just the beginning.
The National Aquarium in Baltimore is the first aquarium or zoo to publicly consider closing its dolphin exhibit
Birth is part of effort to save a species that could be extinct within a decade
On "TechKnow," scientists capture images of a pregnant tiger shark's unborn pups—in one of her two uteri.
Dive expert Jim Abernethy is working with scientists and tourists alike to change the animal's image.
"TechKnow" contributor Phil Torres captions images from his trip with researchers in the Bahamas.
Our contributor reflects on 5 days spent on a research boat in the Bahamas.