On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
18
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
NASA invented baby food as we know it today.
7
It 'snows' metal on Venus.
13
When a massive power outage struck southern California in the 1990s, Los Angeles residents reportedly called 911 to express alarm about strange clouds hovering overhead; they were seeing the Milky Way for the first time.
31
Summer on Uranus lasts for 21 years.
358