NASA astronaut Don Pettit -- NASA’s oldest active astronaut at 69 -- arrived at the station last week on his fourth trip to ...

Scientists attribute their vibrant colors to excited gases emitted in Earth's atmosphere; oxygen gives off the green color of the aurora. What Causes The Northern Lights? Explained. Short answer? The ...

Other colors, and why cameras see them better While green is the most common color to see in the aurora, and red the second most common, there are also other colors. In particular, ionized ...

Pettit said the sight is known as the “Thai aurora” as it occurs in the Gulf of Thailand and the Andaman Sea, and the green color is similar to an actual auora that occurs when particles from ...

Fairbanks spectators were treated to a vision of green on Sunday, one of the most common colors to appear in the aurora borealis, otherwise known as the northern lights. This weekend, a few ...

The aurora borealis lit up the night sky in Michigan on Monday and Tuesday, according to the NOAA's Space Weather Prediction Center. Here's a look at what people shared online: The northern lights are ...