Guns fired, a mechanical trumpet blared taps, and a folded flag was presented to Craig’s wife, all under a gray, cloudy sky. It was the kind of cloud cover that often accompanies winter in Minnesota.

In this astrophotography guide, Josh Dury explains how he captures stellar images of the Milky Way, Full Moon and more The ...

Martian clouds are almost always made of dry ice, or frozen carbon dioxide. 95% of the planet's atmosphere is CO2.

A new image from the Hubble Space Telescope shows a cosmic cloudscape, with clouds of dust and gas swirling in beautiful colors.