PhysicsStrange muon behaviour hints at mysterious new particles and forces Particles called muons spin slightly faster than our best models of physics predict, which may mean that there are more particles and forces that we haven't yet discovered 51¶¯Âþ
SpaceDyson spheres: How to spot an alien megastructure Intelligent extraterrestrials may have built vast solar power plants around their host stars. The hunt for their telltale glow is hotting up Features