Science Space.com

NASA's Chandra X-ray telescope captures closest super star cluster to Earth (image)
Mars meteorites reveal clues about what lies within the Red Planet
Scientists find a surprise ingredient in exoplanet cake mix — sulfur dioxide
Hubble Telescope maps high-speed 'burps' from nearby feeding supermassive black hole for 1st time
Secrets of radioactive 'promethium' — a rare earth element with mysterious applications — uncovered after 80-year search
NASA calls off spacewalk at International Space Station due to 'spacesuit discomfort'