The Earth pulls Femi's mass of 55kg with the force of about 550 newtons. But if she were able to visit Jupiter, her mass would be just the same as on Earth - 55kg. Wherever she is, in space ...

Save guides, add subjects and pick up where you left off with your BBC account. Many many years ago philosophers thought that the Earth was as the centre of the universe. It is only relatively ...

When a NASA spacecraft snapped photos of Earth as it appeared from Saturn in July, the space agency hoped all of humanity would wave back. Now, thanks to an amazing collage, you can see photos ...

Now, thanks to an amazing collage, you can see photos taken that day by the space fans around the world that actually waved at the ringed planet. IE 11 is not supported. For an optimal experience ...