If you look at the Moon through binoculars or even a small telescope, the first thing you notice is the […] ...

Asteroids are some of the oldest objects in the solar system: leftovers from the chaotic time when planets were assembling ...

The Earth's atmosphere is being littered with new metal aerosols from burning spacecraft and rockets, scientists warn.

When Saharan dust reaches the UK and Europe, as a huge country-sized cloud did over the past few days, it can transform the sky. Tiny particles drifting in the atmosphere scatter blue light while ...

The answer has to do with the air we breathe and that bright white snowpack, as an atmospheric scientist in Colorado explains ...