Read article 'Positrons prefer one side of the galaxy'
A new study of the gamma-ray emission of positron annihilation in the Milky Way reveals an asymmetric distribution in the galactic disc. The only sources known to have a similar asymmetry are low-mass...
Read article 'Hot plasma fills the Orion nebula'
Observations with the XMM-Newton satellite have revealed soft X-ray emission from an extended region in the Orion nebula. The most massive stars in the heart of the nebula are probably at the origin o...
Read article 'A global network listens for ripples in space–time'
The Virgo and LIGO gravitational-wave detectors combine forces.
Read article 'When white dwarfs collide…'
A peculiar supernova discovered last year could be the first that is known to have originated from the coalescence of two white dwarfs. These compact stars orbiting each other slowly spiralled inward ...
Read article 'Pierre Auger Observatory pinpoints source of mysterious highest-energy cosmic rays'
The Pierre Auger Collaboration has discovered that active galactic nuclei are the most likely candidate for the source of the ultra-high-energy (UHE) cosmic rays arriving on Earth.
Read article 'Astronomers detect mysterious phenomenon'
Analysis of six-year old archival data of the Parkes radio telescope in Australia has revealed a giant burst of radio waves. Extremely bright, brief and distant, this unique event seems to come from a...
Read article 'ALMA: a guided tour with Massimo Tarenghi'
The director of a new large-scale radio telescope explains its goals.
Read article 'WMAP’s cold spot shows giant void in space'
An enormous void, nearly a thousand million light-years across, seems to be at the origin of a cold spot that the Wilkinson microwave anisotropy probe (WMAP) has found in the cosmic microwave backgrou...
Read article 'The LOFAR radio telescope detects its first pulsar'
Using its first station of distributed radio antennas, the Low Frequency Array (LOFAR) radio telescope has successfully detected the pulsar PSR B0329+54.
Read article 'Conceptions of Cosmos. From Myths to the Accelerating Universe: A History of Cosmology'
This is a historical account of how natural philosophers and scientists have endeavoured to understand the universe at large, first in a mythical and later in a scientific context.
