An international team of scientists who searched out specimens from museums and remote Arctic islands has identified a rare new species of beaked whale that ranges from northern Japan across the Pacific Ocean to Alaska’s Aleutian Islands. Japanese whalers call the enigmatic black whales “karasu,” the Japanese word for raven. The new species is darker […]
This summer, with sea ice across the Arctic Ocean shrinking to below-average levels, a NASA airborne survey of polar ice just completed its first flights. Its target: aquamarine pools of melt water on the ice surface that may be accelerating the overall sea ice retreat. NASA’s Operation IceBridge completed the first research flight of its […]
Gravity: we barely ever think about it, at least until we slip on ice or stumble on the stairs. To many ancient thinkers, gravity wasn’t even a force–it was just the natural tendency of objects to sink toward the center of Earth, while planets were subject to other, unrelated laws. Of course, we now know […]
The JunoCam camera aboard NASA’s Juno mission is operational and sending down data after the spacecraft’s July 4 arrival at Jupiter. Juno’s visible-light camera was turned on six days after Juno fired its main engine and placed itself into orbit around the largest planetary inhabitant of our solar system. The first high-resolution images of the […]