Read article 'RF antennas help unravel cosmic rays'
RF antennas help unravel cosmic rays
The first results from the CODALEMA experiment are introducing a new approach for studying very high-energy cosmic rays.
Read article 'RF antennas help unravel cosmic rays'
Read article 'Gravitational waves could probe inflation'
Gravitational waves could probe inflation
“In the beginning was the Word,” opens the gospel of John, and this finds some resonance in the possibility of detecting gravitational waves from the Big Bang itself at frequencies typical...
Read article '3D map reveals distribution of dark matter'
3D map reveals distribution of dark matter
Making a map of something that cannot be seen directly seems almost impossible, but it has been achieved by a wide international collaboration analysing a huge set of observations gathered by the Hubb...
Read article 'SN1987A heralds the start of neutrino astronomy'
SN1987A heralds the start of neutrino astronomy
In 1987, detectors recorded a neutrino pulse emitted by SN1987A. Masayuki Nakahata, who found the signal in Kamiokande, looks at the ongoing legacy of this historic event.
Read article 'Finding the speed limit for galactic positrons'
Finding the speed limit for galactic positrons
A new analysis of diffuse galactic gamma-ray data sets constraints on the initial energy of positrons produced in the centre of our galaxy. This limitation to at most a few mega-electron-volts severel...
Read article 'An Invitation to Astrophysics'
An Invitation to Astrophysics
This book describes several aspects of astrophysics and cosmology in a way that a physicist or beginner in astrophysics can understand. It emphasizes current research and exciting new frontiers, and i...
Read article 'Mather and Smoot share Nobel for precise observations of the CMB'
Mather and Smoot share Nobel for precise observations of the CMB
The Nobel Prize in Physics 2006 recognizes research that studies the young universe, before the first stars were born and before galaxies began to form.
Read article 'Subaru finds most distant galaxy'
Subaru finds most distant galaxy
Japanese astronomers using the Subaru Telescope in Hawaii have detected the most distant known galaxy in the universe. Light from this source was emitted 780 million years after the Big Bang, at ...
Read article 'US team finds direct proof for dark matter'
US team finds direct proof for dark matter
The idea of dark matter in the universe dates back to the 1930s, with the observation that the gravitational force on the visible matter in clusters of galaxies could not fully account for their behav...
Read article 'Supernova follows X-ray flash'
Supernova follows X-ray flash
Astronomers have reached another milestone in the understanding of gamma-ray bursts by observing a supernova at the location of an X-ray flash that was detected by NASA’s Swift spacecraft. The s...
