Rover Curiosity, the biggest laboratory on wheels, successfully landed on the Red Planet's deepest crater called Gale and you can follow it on Twitter and Facebook as well.
There are about 7 billion people living on our planet. If we would all stand next to one another on our own square meter, how large would that area have to be? Is North America big enough?
Californian photographer Sasha Leahovcenco traveled to the remote villages in Chukotka to film a beautiful documentary with a title 'People From the End of the Earth'.