Read article 'XMM-Newton measures the hot universe'
A new generation of X-ray observatories is under way to study the hottest parts of the observable universe. Among them the European Space Agency's X-ray Multi-Mirror Mission (XMM - now named XMM-New...
Read article 'Youngest radio galaxies observed'
A new class of baby radio galaxy has been discovered using very long baseline interferometry. The sources, dubbed compact symmetric objects, are the youngest radio galaxies ever observed – a mer...
Read article 'Magnetic fields point to high-energy rays'
New evidence for strong intergalactic magnetic fields may help to solve the mystery of ultrahigh-energy cosmic rays. These particles can reach energies of more than 1020 eV – 100 million times a...
Read article 'Large Magellanic Cloud X-ray signal lost in black hole'
Newton, the European Space Agency’s new X-ray observatory (April p11), was undergoing routine calibration, imaging a known, stable X-ray source in the Large Magellanic Clouds, when all of a sudd...
Read article 'Watch this space for cosmophysics'
Space, the ultimate scientific frontier, is being opened up by a new generation of satellite-borne precision experiments, many of which use technology perfected in generations of particle physics s...
Read article 'Cosmology: the Science of the Universe '
Steve Reucroft reviews in 2000 Cosmology: the Science of the Universe .
Read article 'New class of gamma-ray sources is discovered'
The discovery of mysterious gamma-ray bursters in the late 1960s opened up a new chapter in astronomy. Now gamma-ray astronomy has taken another surprising turn.
Read article 'Gemini mirror goes on the road'
Particle physicists are familiar with the trials of moving large, unwieldy pieces of equipment on epic voyages around the globe. They are not alone. The 24 ton, 8.1 m mirror of the Gemini South telesc...
Read article 'Free-floating planets prove too light for dark matter'
The most sensitive search ever undertaken for small substellar objects has revealed 13 free-floating planets and more than 100 young brown dwarf stars in an active star-forming region of the Orion Neb...
Read article 'Not enough stellar mass objects to fill the galactic halo?'
The universe contains a lot more than meets the eye. Sophisticated experiments search diligently for this invisible dark matter. Here Alain Milsztajn of Saclay describes the latest results to emerg...
