Read article 'Swift catches afterglows of gamma-ray bursts'
The ability of NASA’s Swift satellite to point its X-ray telescope rapidly towards gamma-ray bursts is, for the first time, allowing the study of the afterglow phase a minute or so after the act...
Read article 'Foundations of Modern Cosmology (Second Edition)'
The new edition of this thorough, descriptive introduction to the physical basis for modern cosmological theory includes the latest observational results and provides the background material necessary...
Read article 'Astronomers discover possible 10th planet'
A planet larger than Pluto has been discovered orbiting the Sun at more than three times the current distance from the Sun to Pluto. It is a clear member of the Kuiper belt of objects beyond the orbit...
Read article 'Theory demystifies supermassive black holes'
The existence of powerful quasars at high redshift raises the question of the rapid formation of supermassive black holes. How could early black holes accrete 1 billion solar masses in less than 1 bil...
Read article 'Giant flare illuminates the Earth'
On 27 December 2004, one day after the devastating tsunami in the Indian Ocean, the Earth was illuminated by the biggest splash of light ever recorded from outside the solar system. For 0.2 s, th...
Read article 'HESS detects mysterious high-energy sources in the Milky Way'
The first detailed image of the central part of our galaxy at very-high-energy gamma rays shows several sources.
Read article 'Radio astronomers observe a possible dark-matter galaxy'
An international team of astronomers has discovered what appears to be an invisible galaxy made almost entirely of dark matter – the first ever detected. The mystery galaxy, VIRGOHI21, lies in t...
Read article 'Very High Energy Cosmic Gamma Radiation: A Crucial Window on the Extreme Universe'
Marc Türler reviews in 2005 Very High Energy Cosmic Gamma Radiation: A Crucial Window on the Extreme Universe.
Read article 'Missing baryons found in hot gas'
While it is well known that ordinary baryonic matter constitutes only about 5% of the total energy content of the universe, it is probably less commonly appreciated that about half of this “know...
Read article 'Particles meet cosmology and strings in Boston'
PASCOS 2004 is the latest in the symposium series that brings together disciplines from the frontier areas of modern physics.
