Twenty years ago, the Huygens probe achieved humanity's first landing on a moon in the outer solar system when it touched ...

An curved arrow pointing right. NASA's Cassini spacecraft plunged into Saturn's atmosphere on September 15, marking an end to its mission to study the ringed planet and its many, mysterious moons.

An curved arrow pointing right. NASA's Cassini spacecraft is on a daredevil mission that is taking it closer to the planet Saturn than it has been in over a decade. In December, the spacecraft ...

Cassini put a small European robot called Huygens on Titan's surface in 2005. It returned a remarkable image of pebbles that had been smoothed and rounded by the action of that flowing methane.

Twenty years ago, a rocket launched from Cape Canaveral in Florida on a billion mile trek to Saturn. The photos the probe took revealed some astonishing things about Saturn, its rings and moons.

The investigation of the 5,150km-wide moon has been one of the outstanding successes of the Cassini mission. The spacecraft put a small robot called Huygens on its surface in 2005. It returned a ...

And that they were able to pick up from Earth, it turns out. And then Cassini used it to lock onto Huygens. You can do one critical piece of science with the carrier signal alone and that is ...