The sun is much more than a bright light in the sky. It's a giant ball of burning gas that holds our cosmic neighborhood ...

With Valentine’s Day near, take a moment to give a love letter to our home planet, Earth. Feb. 14 is the anniversary of the ...

Contrails conjure a sense of something overwhelming and ineffable, as terrifying as it is beautiful.

Did you see lights in the skies Monday night? A Space X launch from California was visible around 7:09 p.m. MST. The planned ...

The military wanted to test the electromagnetic impacts of nuclear weapons in space. In 1962 they lit up the sky.