In Earth's upper atmosphere, a fast-moving band of air called the jet stream blows with winds of more than 275 miles (442 km) ...

For a few brief evenings around February 28, every planet in our solar system will be visible at once, with Mercury making a ...

FOUR planets are visible in the night sky. You will have to battle January clouds, but here is how to find them.

You might want to keep your eyes on the skies through next month: Six planets will align in January and February.