Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

When the Sun is near the horizon, its light passes through a lot more of the atmosphere to reach the Earth's surface than ...

If Earth had no atmosphere like the Moon there would be no scattering, and the sky would remain black, even in daylight ...

“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 ...