Read article: What is the nature of the dark universe? Telescopes and space missions Feature What is the nature of the dark universe? Catherine Heymans takes a look at what we can’t see
Read article: Is the universe saddle shaped? Telescopes and space missions Research update Is the universe saddle shaped? "Open" geometry could account for Planck anomalies
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