PhysicsWatch: Very Large Telescope uses giant lasers in hunt for black holes On a mountaintop in Chile sits the world’s most powerful optical telescope, searching for the edge of black holes, and using huge lasers to guide its gaze Features
SpaceVirgin Galactic claims its first successful flight to edge of space Richard Branson's space tourism firm says it has finally made a flight to the edge of space - though the craft did not reach the currently accepted definition of 100 kilometres up 51¶¯Âþ