The prominent galaxy NGC 4666 in the centre of the picture is a starburst galaxy, about 80 million light-years from Earth, in which particularly intense star formation is taking place. The starburst is thought to be caused by gravitational interactions between NGC 4666 and its neighbouring galaxies, including NGC 4668, visible to the lower left. These interactions often spark vigourous star-formation in the galaxies involved…
Herschel finds water in a cosmic desertThe Herschel infrared space observatory has discovered that ultraviolet starlight is the key ingredient for making water in space. It is the only explanation for why a dying star is…
Apple reinvents iPod nano with multi-touch interfaceApple unveiled a completely redesigned iPod nano(R) featuring Apple's Multi-Touch interface that lets users navigate their music collection by simply tapping or swiping a finger on…
'Stocky dragon' dinosaur terrorised Late Cretaceous EuropePalaeontologists have discovered that a close relative of Velociraptor hunted the dwarfed inhabitants of Late Cretaceous Europe, an island landscape largely isolated from nearby continents.…
Mars's mysterious elongated craterOrcus Patera is an enigmatic elliptical depression near Mars's equator, in the eastern hemisphere of the planet. Located between the volcanoes of Elysium Mons and Olympus Mons, its…
Tiny, new, pea-sized frog is Old World's smallestThe smallest frog in the Old World (Asia, Africa and Europe) and one of the world's tiniest was discovered inside and around pitcher plants in the heath forests of the Southeast Asian…