ScienceThe ghost of stars past? Long-dead galaxies haunt Hubble Hubble telescope spots "ghost light" of stars ripped from their host galaxies billions of years ago. Such orphan stars are the result of cosmic collisions between galaxies, astronomers say.by Jim Algar
ScienceVirgin Galactic spaceship suffers 'anomaly' during flight, crashes. One pilot reported killed.by Jim Algar
ScienceMIT planetary scientist has bizarre plan of sending humans to Mars: Use asteroids as stepping stonesby Aaron Mamiit
ScienceNASA's Hubble Space Telescope spots ghost light from stars of long-dead galaxies in Pandora's Clusterby Aaron Mamiit
ScienceTime travel will be reality, teleportation and invisibility cloaks sooner, scientists predictby Sumit Passary
ScienceMeet Rana kauffeldi or Atlantic Coast leopard frog discovered in the heart of NYCby Sumit Passary