Science and Technology

Oct 7, 2010

Chris Russell, principal investigator for NASA's Dawn mission, explains how new images obtained by NASA's Hubble Space Telescope help his mission refine plans for Dawn's rendezvous with the large asteroid Vesta in July 2011. Image credit: NASA/ESA/STScI/UMd WASHINGTON -- NASA's…

Oct 6, 2010

WASHINGTON -- During a period of universal warming 11 billion years ago, quasars -- the brilliant core of active galaxies -- produced fierce radiation blasts that stunted the growth of some dwarf galaxies for approximately 500 million years. This important…

Sep 19, 2010

Restoring Desert Soils Could Lessen Impacts of Climate Change WASHINGTON Dust caused by human activities in the American desert Southwest is a contributing factor in speeding up the melting of snow and reducing runoff in the mountains of the Colorado…

Sep 9, 2010

The city of Phoenix, in partnership with VisionGate, Inc., is opening the world's first biomedical 3D cellular imaging lab. The Cell-CTâ„¢ research lab, located on the Phoenix Biomedical Campus in downtown Phoenix, is seeking proposals from researchers in universities and…