Astronomy & Space - Astronomy news

Mysterious X-ray signal intrigues astronomers

(Phys.org) —A mysterious X-ray signal has been found in a detailed study of galaxy clusters using NASA's Chandra X-ray Observatory and ESA's XMM-Newton. One intriguing possibility is that the X-rays are ...

Jun 24, 2014
4.5 / 5 (56) 18

Granny galaxies discovered in the early universe

(Phys.org) —An international team of astronomers have discovered the most distant examples of galaxies that were already mature and massive – not just young, star-forming galaxies in the nursery-room ...

Mar 11, 2014
4.7 / 5 (20) 47

The closest star system found in a century

(Phys.org) —A pair of newly discovered stars is the third-closest star system to the Sun, according to a paper that will be published in Astrophysical Journal Letters. The duo is the closest star system ...

Mar 11, 2013
4.7 / 5 (26) 16 | with audio podcast

Cosmic giants shed new light on dark matter

(Phys.org) —Astronomers at the University of Birmingham (UK), Academica Sinica in Taiwan, and the Kavli Institute of Physics and Mathematics of the Universe in Japan, have found new evidence that the mysterious ...

Jun 13, 2013
3.9 / 5 (25) 17 | with audio podcast

Largest yellow hypergiant star spotted

ESO's Very Large Telescope has revealed the largest yellow star—and one of the 10 largest stars found so far. This hypergiant has been found to measure more than 1,300 times the diameter of the Sun, and ...

Mar 12, 2014
4.8 / 5 (38) 10

Two planets orbit nearby ancient star

An international team of scientists, led by astronomers at Queen Mary University of London, report of two new planets orbiting Kapteyn's star, one of the oldest stars found near the Sun. One of the newly-discovered ...

Jun 03, 2014
4.7 / 5 (26) 8