A new NASA-developed, laser-based space communication system will enable higher rates of satellite communications similar in capability to high-speed fiber optic networks on Earth.
March 16, 2013 is the 50th anniversary of the revelation that quasars are both very distant and very luminous - and therefore must be exceedingly powerful.
A red-tide event in southwest Florida has claimed 174 manatees so far this year, the highest number of red-tide-related deaths in a single calendar year on record.
After 22 years of being a clear voice for science on radio, June 2, 2013 will be the last broadcast for Austin-based EarthSky. But the website will continue.