Read article 'The Milky Way’s dark-matter halo reappears'
Back in April, a study of the motion of hundreds of stars in the Milky Way found no evidence of a massive dark-matter halo (CERN Courier June 2012 p11). The finding came as a surprise and did not long...
Read article 'A discovery of cosmic proportions'
What Victor Hess found out when he took to the skies in 1912.
Read article 'Domenico Pacini and the origin of cosmic rays'
A forgotten pioneer of the early days of cosmic-ray research.
Read article 'Studies of ultra-high-energy cosmic rays look to the future'
A symposium at CERN discussed the challenges in detecting extreme events.
Read article 'ALICE looks to the skies'
ALICE is one of the four big experiments at CERN’s LHC. It is devoted mainly to the study of a new phase of matter, the quark–gluon plasma, which is created in heavy-ion collisions at very ...
Read article 'Cherenkov Telescope Array is set to open new windows'
A new facility to push forward very high-energy gamma-ray astronomy.
Read article 'The discovery of air-Cherenkov radiation'
How a simple but audacious experiment opened up a new technique.
Read article 'IceCube observations challenge ideas on cosmic-ray origins'
The IceCube collaboration, with a detector that looks at a cubic kilometre of ice at the South Pole, has searched for evidence of neutrinos associated with gamma-ray bursts (GRBs).
Read article 'Black hole is seen feasting on a stellar core'
Astronomers have gathered the most direct evidence yet of a supermassive black hole shredding a star that wandered too close to it. By following the event over hundreds of days they could identify for...
Read article 'Adventures in Cosmology'
This up-to-date collection of review articles offers a general introduction to cosmology by experts in various fields.
