Read article 'MAGIC discovers variable very-high-energy gamma-ray emission from a microquasar'
The MAGIC telescope has discovered variable very-high-energy gamma-ray emission from a microquasar.
Read article 'Quasar jets could be powerful accelerators'
Infrared observations of the quasar 3C 273 by the Spitzer Space Telescope are giving new insight into the physics at play in its large-scale jet. The new images, combined with complementary radio...
Read article 'The future’s bright for the Pierre Auger Observatory'
Researchers at the Pierre Auger Observatory have taken investigations of air showers created by very-high-energy cosmic rays to new heights. Alan Watson reports on progress.
Read article 'Neutrinos provide new route to heavy elements in supernovae'
During their long lifetimes stars generate their energies by nuclear fusion in their interiors, which are generally accepted to be the breeding grounds for carbon and heavier elements.
Read article 'HESS helps lift the fog in intergalactic space'
Observations of very high-energy gamma-rays from two distant active galaxies reveal that the universe is more transparent to this radiation than previously thought. This limited absorption of gamma-ra...
Read article 'Sterile neutrinos unravel astrophysics'
Almost every current theoretical model of neutrino masses introduces sterile ("right-handed") fields, which mix with the ordinary ("left-handed") neutrinos.
Read article 'New WMAP results give support to inflation'
NASA’s Wilkinson Microwave Anisotropy Probe (WMAP) collaboration has finally released new observations of cosmic microwave background (CMB) radiation with updated results on the nature and origi...
Read article 'High schools focus on the extreme universe'
James Pinfold reports on the large number of projects that are forging a connection between research in ultra-high-energy cosmic rays and practical scientific experience in schools.
Read article '300 questions à un astronome'
Antonella del Rosso reviews (in French) in 2006 300 questions à un astronome.
Read article 'Quand le Ciel nous bombarde: Qu’est-ce que les rayons cosmiques?'
Roger Anthoine reviews (in French) in 2006 Quand le Ciel nous bombarde: Qu'est-ce que les rayons cosmiques?
