Gravity Research update Cosmic collision explained without dark matter Physicists suggest modified gravity as an alternative Read article: Cosmic collision explained without dark matter
Particles and interactions Opinion and reviews Exploring the multiverse Is our universe all there is? Read article: Exploring the multiverse
Gravity Research update Did the early universe have “texture”? Cold spot could shed light on unification
Dark matter and energy Research update CERN boss quashes LHC delay rumours Accelerator still on track for May 2008 start up Read article: CERN boss quashes LHC delay rumours
Stars and solar physics Research update Stringy ‘filaments’ could have produced first stars “Warm” dark matter gives a very different early universe formation Read article: Stringy ‘filaments’ could have produced first stars
Particles and interactions Feature Stringscape A grand journey through string theory Read article: Stringscape
Particles and interactions Opinion and reviews A testing time for strings String theorists must make clear their links with experiment Read article: A testing time for strings
Particles and interactions Opinion and reviews Reflecting symmetry Beauty and truth in science Read article: Reflecting symmetry
Particles and interactions Opinion and reviews String theory under scrutiny Nancy Cartwright and Roman Frigg ask if falsifiability is a true judge of string theory Read article: String theory under scrutiny
Planetary science Research update Modified gravity fails at long distances Only short-range modifications to Newton’s law fit planetary orbit data