Particles and interactions Research update LHC sees first protons World’s most powerful particle collider passes major milestone towards September switch-on Read article: LHC sees first protons
Particles and interactions Research update The most direct signal of dark energy? A recent analysis of the so-called Integrated Sachs-Wolfe effect could help physicists to understand the mysterious entity Read article: The most direct signal of dark energy?
Gravity Research update Dark-matter simulation reveals lumpy haloes Researchers say simulation is the most detailed yet Read article: Dark-matter simulation reveals lumpy haloes
Gravity Feature A light in the dark? For the last 10 years physicists in Italy have been claiming to have directly detected dark matter, which is believed to make up 23% of the universe. Edwin Cartlidge finds out why their results conti... Read article: A light in the dark?
Particles and interactions Research update Will first LHC protons be injected within a fortnight? Proton beams will be running round the whole ring by first half of September, says CERN spokesperson
Telescopes and space missions Research update Motion of exploding stars could shed light on dark energy Cosmologists call for decades-long survey of type-Ia supernovae Read article: Motion of exploding stars could shed light on dark energy
Telescopes and space missions Research update Survey of distant galaxies sets limit on cosmic strings Gravitational lensing measurement suggets that cosmic strings make up no more than 2% of mass of universe Read article: Survey of distant galaxies sets limit on cosmic strings
Telescopes and space missions Opinion and reviews Blog life: Chris Lintott’s Universe Chris Lintott on life co-presenting TV's The Sky at Night Read article: Blog life: Chris Lintott’s Universe
Telescopes and space missions Research update Fastest supercomputer overtaken by Roadrunner US machine will be used initially to model cosmology, astrophysics and the climate
Gravity Research update New tests of the Copernican Principle proposed Results could have implications for cosmic acceleration and dark energy