Nebulae are gigantic clouds of gas and dust that exist in space between stars. Check out 7 mesmerizing photos of this cosmic ...

The Tarantula Nebula, also known as 30 Doradus, is revealed in an unusual light in this exceptionally deep Chandra X-ray ...

As the U.S. continues to wait for newer sunscreen ingredients, patients should use tinted sunscreens to protect against ...

You may remember that amount of 22 degrees from a previous Hey Ray about ... and closer to the Sun with light refracting at an angle of 21.54 degrees, and the outer edge is blue with light ...

Brave New World is about to hit cinemas, bringing with it the gamma-ray-powered Red Hulk. Here's what you need to know about ...

A bouquet of thousands of stars in bloom has arrived. This composite image contains the deepest X-ray image ever made of the ...

A stunning Valentine's view of a nebula contains hidden depths of starbirth and the violent deaths of massive stars.

As the Earth is buffeted by a stream escaping from a hole in the sun, those in the northernmost states may be in for a treat.

A unique combination of sand and snow transformed a Colorado national park into an otherworldly winter wonderland, a stunning ...

Life changed for José Bautista after his momentous bat-flip homer, but the former Toronto Blue Jays slugger felt rewarded ...