Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
Earth is the only planet in our solar system that's not named after a god or goddess.
17
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
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
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277