New Insights on How Spiral Galaxies Get Their Arms
Cambridge, MA – Spiral galaxies are some of the most beautiful and photogenic residents of the universe. Our own Milky Way is a spiral.
True Colors of Some Fossil Feathers Now in Doubt
Geological processes can affect evidence of the original colors of fossil feathers, according to new research by Yale University scientists, who said some previous reconstructions of fossil bird and dinosaur feather colors may now merit revision.
NASA's Swift Sizes Up Comet ISON
Astronomers from the University of Maryland at College Park (UMCP) and Lowell Observatory have used NASA's Swift satellite to check out comet C/2012 S1 (ISON), which may become one of the most dazzling in decades when it rounds the sun later this year.
Scientists Discover Layer of Liquified Molten Rock in Earth's Mantle
Scientists have discovered a layer of liquified molten rock in Earth's mantle that may be responsible for the sliding motions of the planet's massive tectonic plates.