Data from the Rosetta mission, the Mars rover and the Herschel space observatory point to water's extraterrestrial origins.
While there's still no evidence that life evolved on Mars, we now know that it at least could have.
The Mars Science Laboratory mission is sending its largest rover to the red planet. That rover's name is Curiosity.
What Ben actually did in his famous 1752 experiment was to cause some excess electrical charge near a storm cloud to ground out through his kite string–still an impressive demonstration, but a much less powerful prospect than an actual lightning strike.