SpaceDisco-ball sail propelled by laser could fly to a nearby star Breakthrough Starshot aims to send an interstellar probe to a neighbouring star system. A design for a laser-propelled sail suggests how that just might work News
SpaceWorld's largest telescope array takes its deepest view yet The ALMA array has checked out the iconic Hubble Ultra Deep Field, which contains 10,000 galaxies in a single image, to make the deepest millimetre-wavelength image of the sky News