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New Milky Way Map Reveals Stars in Our Galaxy Move Far from Home
New Milky Way Map Reveals Stars in Our Galaxy Move Far from Home 30 July 2015Scientists with the Sloan Digital Sky Survey-III (SDSS) have created a new map of the Milky Way, which provides the first clear evidence that migration of stars occurs throughout our Galaxy. The study, which determined that 30 percent of stars have moved far across the Galaxy, is bringing a new understanding of how stars are formed and travel throughout the Milky Way.
Clump of a star's gas, catapulting into space at 40 million miles per hour, appears to be picking up speed
Clump of a star's gas, catapulting into space at 40 million miles per hour, appears to be picking up speed 28 July 2015A fast-moving pulsar appears to have punched a hole in a disk of gas around its companion star and to have launched a fragment of the disk outward at a speed of about 40 million miles per hour. NASA's Chandra X-ray Observatory is tracking this cosmic clump, which appears to be picking up speed as it moves out. The catapulted material weighs about as much as all the water in the Earth's oceans.
From twitching lizards to noisy frogs, adaptation is often survival of the weird
From twitching lizards to noisy frogs, adaptation is often survival of the weird 28 July 2015Forces like climate change and globalization are making the world smaller, hotter, noisier and weirder than ever and this is putting even more pressure on species to quickly adapt, according to Tracy Langkilde, associate professor of biology.

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