SpaceIs new talk of interstellar drive too good to be true? Speculation about the EM drive, a proposed fuel-free, physics-busting starship engine, is back but is it still strictly for dreamers, wonders Geraint Lewis Comment
SpaceMickey Mouse ears may explain universe’s biggest explosions About a third of supernova remnants have bulging protuberances called "ears" - and these cute features could be key to understanding how supernovae are detonated News