The Large Binocular Telescope on Mount Graham, Ariz., has taken celestial images using its twin side-by-side, 8.4-meter (27.6 foot) primary mirrors together, achieving first "binocular" light. U.S.,…

Astronomers using NASA's Hubble Space Telescope have compiled a large catalog of gravitational lenses in the distant universe. The catalog contains 67 new gravitationally lensed galaxy images found…

A University of British Columbia astronomer with an international team has discovered the largest structures of dark matter ever seen. Measuring 270 million light-years across, these dark matter…

Venus, it turns out, is a planet of extraordinarily changeable and extremely large-scale weather. Bright hazes appear in a matter of days, reaching from the south pole to the low southern latitudes…

ESA’s Integral has made the first unambiguous discovery of high-energy X-rays coming from a rare massive star at our cosmic doorstep, Eta Carinae. It is one of the most violent places in the galaxy,…

People across the western hemisphere may be surprised to see a rust-colored Moon in the sky in a few days - an ominous omen to ancient people but a more predictable occurrence now. Early on 21…

Scaled versions of Jupiter and Saturn orbiting a star 5000 light-years away, half as massive as the Sun, have been revealed from an effort involving a world-wide net of telescopes, including the UK's…

Detailed images from Hubble’s Near Infrared Camera and Multi-Object Spectrometer (NICMOS) reveal an infant galaxy, dubbed A1689-zD1, undergoing a firestorm of star birth as it comes out of the dark…

The elliptical galaxy NGC 1132 (Hubble picture and video below) belongs to a category of galaxies called giant ellipticals. NGC 1132, together with the small dwarf galaxies surrounding it, are dubbed…

When the Herschel Space Observatory launches on an Ariane-5 rocket from the Guiana Space Centre, Kourou, French Guiana, in July 2008, astronomers will be able to examine some of the coldest objects…