Read article: Neutron star has superfluid core Stars and solar physics Research update Neutron star has superfluid core Exotic state of matter persists at hundreds of millions of degrees, say researchers
Read article: Dating the universe Telescopes and space missions Opinion and reviews Dating the universe Kulvinder Singh Chadha muses on the age of the universe
Read article: Sun captured in its full 360° glory Telescopes and space missions Research update Sun captured in its full 360° glory NASA's STEREO mission snaps front and back sides of the Sun
Read article: Kepler spots six planets orbiting a star Telescopes and space missions Research update Kepler spots six planets orbiting a star NASA discovery could bring a giant leap for exoplanet research
Read article: Sun provides Earth with less energy than we thought Telescopes and space missions Research update Sun provides Earth with less energy than we thought But the implication for Earth's climate is far from clear-cut
Read article: Astronomers say goodbye to the ‘millicrab’ Telescopes and space missions Research update Astronomers say goodbye to the ‘millicrab’ Crab Nebula no longer the constant source of X-rays it was supposed to be
Read article: Planck discoveries run hot and cold Telescopes and space missions Research update Planck discoveries run hot and cold Early results focus on astrophysics
Read article: Physicists find new clue in coronal heating mystery Stars and solar physics Research update Physicists find new clue in coronal heating mystery Plasma jets could be boosting temperatures
Read article: NASA spies storm stretching across the Sun Stars and solar physics Research update NASA spies storm stretching across the Sun Solar Dynamics Observatory reveals a connected solar surface
Read article: Obama’s dream of Mars at risk from radiation Telescopes and space missions News Obama’s dream of Mars at risk from radiation A peak in solar activity could coincide with planned missions
Physics World podcast Explore our two regular podcast series, Physics World Weekly and Physics World Stories