LifeWiden the goal in the search for alien life We need to cast off our biological blinkers in the search for life beyond Earth and turn to physics, says cosmologist Charley LineweaverOpinion
SpaceAstrophile: The relativity-testing supernova next door The brightest supernova in nearly 400 years erupted on our cosmic doorstep 25 years ago, and today it's in the thick of the debate over neutrinos' speeds News