Read article 'Cosmic rays continue to confound'
Cosmic rays continue to confound
Five years of data from the AMS experiment on board the International Space Station reveal intriguing features, says Sam Ting.
Read article 'Cosmic rays continue to confound'
Read article 'Gaia compiles largest ever stellar survey'
Gaia compiles largest ever stellar survey
The largest all-sky survey of celestial objects has been compiled by ESA’s Gaia mission. On 13 September, 1000 days after the satellite’s launch, the Gaia team published a preliminary cata...
Read article 'Secrets of discovery'
Secrets of discovery
Did you expect that gravitational waves would be discovered during your lifetime? Yes, and I thought it quite likely it would come from two colliding black holes of just the sort that we did see. I wr...
Read article 'AMS reports unexpected result in antiproton data'
AMS reports unexpected result in antiproton data
The measured fluxes of elementary particles multiplied by |R|2.7. The antiproton flux (red, left axis) is compared to the proton flux (blue, left axis), the electron flux (purple, right axis), and the...
Read article 'Earth-like planet orbits our nearest star'
Earth-like planet orbits our nearest star
Astronomers have found clear evidence of a planet orbiting the closest star to Earth, Proxima Centauri. The extrasolar planet is only slightly more massive than the Earth and orbits its star within th...
Read article 'Galactic map sheds light on dark energy'
Galactic map sheds light on dark energy
The largest 3D map of distant galaxies ever made has allowed one of the most precise measurements yet of dark energy, which is currently driving the accelerating expansion of the universe. The new mea...
Read article 'Hitomi probes turbulence in galaxy cluster'
Hitomi probes turbulence in galaxy cluster
With its very first observation, Japan’s Hitomi X-ray satellite has discovered that the gas in the Perseus cluster of galaxies is much less turbulent than expected. The unprecedented measurement...
Read article 'ESO signs largest ever ground-based astronomy contract'
ESO signs largest ever ground-based astronomy contract
The European Extremely Large Telescope (E-ELT) will be the largest optical/near-infrared telescope in the world, boasting a primary mirror 39 m in diameter. Its aim is to measure the properties o...
Read article 'Neutron-star mergers create heaviest elements'
Neutron-star mergers create heaviest elements
The origin of some of the heaviest chemical elements is due to rapid neutron capture, but the precise location where this cosmic alchemy takes place has been under debate for several decades. While co...
Read article 'Protons accelerated to PeV energies'
Protons accelerated to PeV energies
The High Energy Stereoscopic System (HESS) – an array of Cherenkov telescopes in Namibia – has detected gamma-ray emission from the central region of the Milky Way at energies never reache...
