Following is a summary of current science news briefs. New Landsat Earth-monitoring satellite launched from California

Following is a summary of current science news briefs. New Landsat Earth-monitoring satellite launched from California

Following is a summary of current science news briefs. Asteroid may have killed dinosaurs quicker than scientists thought

Following is a summary of current science news briefs. Space shuttle Columbia's second life - as a cautionary tale CAPE CANAVERAL, Florida (Reuters) - Space shuttle Columbia's flying days came to an abrupt and tragic end on February 1, 2003, when a broken wing gave way, dooming the seven astronauts aboard. Although Columbia now lies in pieces, its mission is not over. South Korea launches first civilian rocket amid tensions with North