So why doesn’t our planet look round when we’re standing in a park or looking out a window? The answer is all about perspective. Humans are pretty tiny creatures living on a really large sphere.

Ever since the ancient Greeks first made observations of the circular Moon and the skies, scientists have known that the Earth is a sphere.We’ve all seen beautiful images of the Earth from space, some ...

Physicist Neil deGrasse Tyson and comedian Chuck Nice explain why soap bubbles, cold pigeons, planets and the Sun are all round. The only way to see the curve of the Earth is to fly more than 6 ...

So why doesn't our planet look round when we're standing in a park or looking out a window? The answer is all about perspective. Humans are pretty tiny creatures living on a really large sphere.

So why doesn't our planet seem round when we stand in a park or look out the window? The answer lies in perspective. Humans are tiny creatures living on a very large sphere.

By Kelly R. MacGregor - Professor of Geology, Macalester College Since the ancient Greeks made observations of the Moon and the sky, scientists have known that the Earth is a sphere. We've all seen ...

This sort of shift could be another reason why Earth is growing less reflective, and thus warming more. Both the sulphur stories and the changing cloud patterns suggest that increased warming may ...