“The sun cleared the clouds into blue sky—we were gibbering with adrenaline and excitement,” said Falconer. “It was the gateway drug to a lifetime of addiction.” April 8 will be Falconer ...

It might seem like a simple question. But the science behind a blue sky isn't that easy. For starters, it involves something ...

But think of dark clouds behind which the sun is hidden. As a cloud comes out from behind the dark clouds into a bright blue sky, it is edged with a silvery lining. Thus we are moving from ...