Dust from star explosions Iron needles in Supernovae? Dust plays an important role in the cosmos. The small particles, which mainly consist of carbon and silicate help to form stars and are the basis for the development of planets like the Earth or the ... voir plus

Source of outer ring found Newfound moon source of Saturn ring NASA's Cassini spacecraft has found within Saturn's G ring an embedded moonlet that appears as a faint, moving pinprick of light. Scientists believe it is a main source of the G ring and its ... voir plus

Mars500 Day by day © ESA / Mars500 crew Romain in the control room of the facility “It is difficult to think that in a year’s time we’ll still be here in the modules,” says Romain Charles, one of the ESA-selected crewmembers. We ... voir plus

Jan 5, 2009 Dead Stars Tell Story of Planet Birth Astronomers have turned to an unexpected place to study the evolution of planets -- dead stars. © Image credit: NASA/JPL-Caltech NASA's Spitzer Space Telescope set its infrared eyes upon the dusty remains ... voir plus

Satellite debris comes too close Space Junk almost delays Space Walk Just a few hours before the scheduled spacewalk the astronauts had to change the course of the ISS to steer clear of a piece of space junk. NASA feared that the remains of Chinese ... voir plus