Giving tortoises a 'head start'

Research from the University of Georgia indicates that head-starting—raising a species in captivity and releasing it into a protected habitat after it has grown large enough to be less vulnerable to predators—is a useful ...

Rocket to view sun with X-ray vision

Without special instrumentation, the Sun looks calm and inert. But beneath that placid façade are countless miniature explosions called nanoflares.

NASA sees landfall of Tropical Storm Jebi

When NASA's Aqua satellite passed over Tropical Storm Jebi on Sept. 4 at 12:17 a.m. EDT (417 UTC) it had made landfall in southeastern Japan. The Atmospheric Infrared Sounder or AIRS instrument analyzed the storm in infrared ...

Freeze fighter: Warmer wetsuit will increase Navy dive time

Diving in icy water is extremely dangerous to humans. Within seconds, arteries tighten, blood pressure and heart rate race, and lungs gasp for air. After only minutes, hyperventilation strikes and arms and legs go numb—signaling ...

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