ScienceNASA finds link to 'zombie star' White dwarf star that survived its own explosion has become a not-quite-alive "zombie star," astronomers say. Discover gives new clues to how such explosion occur, they say.by Jim Algar
ScienceHellish volcanic eruptions veiled Jupiter moon Io in 'curtains of fire' in August 2013by James Maynard
ScienceNASA tests Cannae Drive, impossible engine that might make deep space exploration possibleby Lori Sandoval