Read article: To the world’s end, in 15 questions Telescopes and space missions Opinion and reviews To the world’s end, in 15 questions A book full of questions about cosmology, reviewed by Virginia Trimble
Read article: Emeritus trio scoops the 2013 Dirac Medal Stars and solar physics Research update Emeritus trio scoops the 2013 Dirac Medal Kibble, Peebles and Rees recognized by the ICTP
Read article: B-mode polarization spotted in cosmic microwave background Telescopes and space missions Research update B-mode polarization spotted in cosmic microwave background South Pole Telescope is first to detect subtle twist in ancient light
Read article: What is the lifetime of a photon? Cosmology Research update What is the lifetime of a photon? Calculations suggest that photons live for at least one billion billion years
Read article: Square Kilometre Array precursor begins search of early universe Cosmology Research update Square Kilometre Array precursor begins search of early universe Giant radio telescope delivers data at 400 Mbyte/s
Read article: Monster gas cloud could unveil Milky Way’s black-hole hub Telescopes and space missions Research update Monster gas cloud could unveil Milky Way’s black-hole hub X-rays emitted by cloud could be seen by NASA's NuSTAR and Chandra
Read article: Do dark-matter discs envelop galaxies? Telescopes and space missions Research update Do dark-matter discs envelop galaxies? New type of strongly interacting dark matter suggested
Read article: Blazars help measure extragalactic background light Telescopes and space missions Research update Blazars help measure extragalactic background light New method looks at attenuated high-energy gamma rays
Read article: Why some galaxies age before their time Telescopes and space missions Research update Why some galaxies age before their time Ancient collision could explain why some young galaxies look old
Read article: What is M-theory? Quantum mechanics Video What is M-theory? Leron Borsten on how M-theory could be the one theory to rule them all