The vermilion, amethyst and jade ribbons of the northern and southern lights are some of Earth’s most distinctive features.

What's the difference between a solar flare and a coronal mass ejection? And how do they lead to auroras?

Some scientists now propose the universe may have been born through multiple Big Bang events, challenging traditional ...

On Saturday afternoon, a wonderful phenomenon took over Sharjah's skies — the 22º halo. Wondering what it is, or why it ...

NASA researchers got a rare chance to study Uranus' atmosphere and rings this month, when the ice giant passed between Earth ...