Video of a meteor streaking across the sky in southern Alberta was caught on many dashcams and home security cameras ...

The Southern Taurid meteor shower reaches its peak Nov. 12. Here's how to maximize your chances of seeing a colorful fireball ...

The sky appears blue due to the scattering of sunlight by atmospheric gas molecules. Shorter blue wavelengths scatter more than longer wavelengths lik ...

green or red? This seemingly simple question delves into the fascinating interplay of chemistry and physics that governs the colours we perceive in our environment. The blue hue of the sky is a result ...

Magnesium meteors burn sky blue as they plummet toward Earth ... Orion at about 11 p.m. The solar system's most-distant ...

Known as one of the top meteor showers of the autumn season because of its bright fireballs, the Leonids started to be ...

Another in a series of unusually strong solar storms hitting Earth produced stunning ... they can produce light — blue and purple from nitrogen, green and red from oxygen.

For the DP World Tour Championship in Dubai, it took planning and water. “The desert golf courses are actually the most efficient users of water out of necessity,” a U.S.G.A. official said.

Colors dancing across the sky In the polar regions ... This usually occurs at 70-80 miles or higher above in the Earth’s upper atmosphere, creating an array of waves of green and violet, sometimes ...

This NASA/ESA Hubble Space Telescope image features NGC 1672, a barred spiral galaxy located 49 million light-years from ...

Scientists have calculated the Earth to be 4.54 billion years old, with an uncertainty of 50 million years on either side.