There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
It would take more than 150 years to drive a car to the sun.
569
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