Celebrating Cassini: The Giant Kaleidoscope in Space

On the 15 September 2017, after almost 20 years of unprecedented insight in to Saturn and its satellites, NASA’s unmanned spacecraft, Cassini, will take it’s final flight, crashing in to the surface of Saturn. In this new series, we celebrate Cassini and some of its achievements.

Meteorite strikes made moon’s air

Why does Saturn’s largest moon have a nitrogen atmosphere like Earth?  It’s a question that has stumped astronomers since the Voyager spacecraft went to Titan in 1981.  However, laser gun-toting scientists from Japan think a catastrophic volley of meteorites might hold the answer. Titan’s air is so thick and its gravity is so low that if […]