Read article 'Boost for Andean cosmic ray laboratory'
New support for the Chacaltaya Cosmic Ray Research Laboratory, on Mount Chacaltaya near La Paz, Bolivia, underlines its relevance for cosmic ray research.
Read article 'Looking deep into galaxies'
Today’s telescopes allow astronomers to probe deep into the active inner regions of galaxies and see far back in time to the periods of momentous upheaval in the early universe. At this yearR...
Read article 'No smoking guns under the Sun'
A range of different experiments have studied in detail the neutrinos emitted by the Sun. What does this complex picture now tell us? Arnon Dar reviews the latest wisdom.
Read article 'Astronomy sets new targets'
Recent years have seen a transformation of many areas of astronomy. New instrumentation makes arcsecond resolution almost commonplace across the whole electromagnetic spectrum, where previously it was...
Read article 'The future looks bright'
A new class of extremely large telescope is on the drawing board. The European Southern Observatory (ESO) is funding a feasibility study for a ground-based, fully steerable, 100 m optical telescope ch...
Read article 'Pulsars are looking their age'
New pulsar observations could lead to a drastic reappraisal of pulsar ages and evolution. Pulsars, which “blink” regularly like powerful cosmic lighthouses in the depths of galaxies, are u...
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...
