galaxies

Astronomers are inviting members of the public to help them make major new discoveries by taking part in a census of one million galaxies. Visitors to www.galaxyzoo.org will get to see stunning images of galaxies, most of which have never been viewed by human eyes before. By sorting...

Astronomers have mapped the cosmic "scaffold" of dark matter upon which stars and galaxies are assembled. Dark matter does not reflect or emit detectable light, yet it accounts for most of the mass in the Universe. The study, published in Nature journal, provides the best evidence yet that...