SpaceComets can't explain weird 'alien megastructure' star after all A star called KIC 8462852, or Tabby's star, has been behaving oddly since 1890, not just recently as had been thought – and astronomers have no idea why News
SpaceLISA Pathfinder spacecraft ready for lift-off The spacecraft prepares to be enclosed within the Vega rocket that will carry it on the first leg of its journey in search of Einstein's gravitational waves Regulars