Read article 'Fermi Gamma-ray Space Telescope sees first light'
Fermi Gamma-ray Space Telescope sees first light
New window opens on high-energy universe
Read article 'Fermi Gamma-ray Space Telescope sees first light'
Read article 'INTEGRAL pinpoints acceleration'
INTEGRAL pinpoints acceleration
The discovery with ESA’s International Gamma-ray Astronomical Laboratory (INTEGRAL) satellite that the gamma-ray emission of the Crab Nebula is strongly polarized along the direction of its spin axi...
Read article 'Polarization brings to light the accretion discs inside quasars'
Polarization brings to light the accretion discs inside quasars
The extreme luminosity of quasars is thought to be generated by supermassive black holes accreting surrounding material at the heart of galaxies. If the accretion has a preferred rotation axis, the in...
Read article 'A supernova is caught in the act of exploding'
A supernova is caught in the act of exploding
Astronomers have, for the first time, observed a star in the act of exploding. The event happened in January while NASA’s Swift satellite was observing another supernova in the same galaxy. The ...
Read article 'GLAST in orbit to explore extreme universe'
GLAST in orbit to explore extreme universe
The Gamma-Ray Large Area Space Telescope (GLAST) was launched by NASA on 11 June from the Cape Canaveral Air Force Station in Florida.
Read article 'The enigmatic Sun: a crucible for new physics'
The enigmatic Sun: a crucible for new physics
Konstantin Zioutas argues the case for a new scenario for solar axions.
Read article 'Milagro maps out gamma-ray frontier'
Milagro maps out gamma-ray frontier
Impressive results from this extensive air shower detector in New Mexico.
Read article 'Brilliant naked-eye GRB constrains theory'
Brilliant naked-eye GRB constrains theory
GRB 080319B is the plain name for an extraordinary gamma-ray burst (GRB) that was so bright that it could be seen with the unaided eye for 30 s. The detailed observation of the prompt optica...
Read article 'WMAP 5-year results reveal neutrinos and tighten inflation'
WMAP 5-year results reveal neutrinos and tighten inflation
After five years observing the oldest light in the universe, NASA’s Wilkinson Microwave Anisotropy Probe (WMAP) is refining our understanding of the universe. It finds evidence for cosmic neutri...
Read article 'Astronomers find galaxy at record distance'
Astronomers find galaxy at record distance
The joint forces of NASA’s Hubble and Spitzer space telescopes have identified a source that is likely to be the most distant galaxy known to date. If confirmed, this discovery will be a new mil...
