Read article 'Does the motion of the solar system affect the microwave sky?'
A team from Case Western Reserve University in Cleveland, Ohio, and CERN has discovered surprising evidence that the largest-scale features of the microwave sky seem to be correlated with both the mot...
Read article 'Two dedicated satellites reveal the Earth’s pull on space-time'
The general relativistic prediction of the Lense-Thirring effect has been confirmed to a precision of less than 10%. The result was obtained by measurements of the position of two satellites over a pe...
Read article 'Do gamma rays indicate galactic dark matter?'
Is the recent detection of very-high-energy gamma rays from the galactic centre revealing the presence of dark matter? Or, is dark matter at the origin of the electron-positron annihilation in our gal...
Read article 'The case for mini black holes'
Tiny black holes could offer a richer view of physics than their better known, moremassive relations, as Aurélien Barrau and Julien Grain explain.
Read article 'Physicists meet in Beijing at ICHEP’04…'
ICHEP'04, the 32nd International Conference on High Energy Physics, was successfully held in Beijing from 16-22 August, hosted by the Institute of High Energy Physics (IHEP) and the Chinese Academy of...
Read article 'The hunt for Earth-sized exoplanets'
The discoveries of three new extrasolar planets were recently announced within the space of a week. With masses around or less than 20 times that of the Earth, these new exoplanets are the lightest kn...
Read article 'Looking at the stars from a well'
Observing what goes on in the heart of stars from deep below ground is an effective tool for understanding stellar interiors and the primordial universe, as Gianni Fiorentini and Alessandro Pascolini ...
Read article 'Key piece for gamma-ray burst puzzle'
A peculiar gamma-ray burst has been detected by ESA’s INTEGRAL gamma-ray mission. This sub-energetic burst makes the link between an earlier anomalous event and all other bursts detected so far....
Read article 'X-ray constraints on dark energy'
The existence and nature of dark energy has been probed using images of galaxy clusters obtained by NASA’s Chandra X-ray Observatory. These results are completely independent from the previous s...
Read article 'Closest view of active galactic nucleus'
Observations with the Very Large Telescope Interferometer (VLTI) at the ESO Paranal Observatory in Chile are for the first time providing a clear picture of the immediate surroundings of the black hol...
