Asteroid Themis has ‘frosted surface’

ShareScientists have detected water-ice on the surface of an asteroid. The first-time observation was made on 24 Themis, a huge rock that orbits almost 480 million km out from the Sun. The researchers say that ice is not stable in such circumstances and has to be being replenished by some means – perhaps from inside [...]

Space shuttle Discovery returns to Earth

ShareThe shuttle Discovery has landed back on Earth after a two-week mission to the International Space Station (ISS). The orbiter touched down on runway 33 at the Kennedy Space Center at 0908 local time (1308 GMT). Discovery had been held in space earlier in the day by stubborn fog and showers in the Kennedy area, [...]