This image features a deep field view of the Cassiopeia constellation immersed in the glow of ionized hydrogen gas, where the ...

A mysterious light blue swirl puzzled skywatchers from Britain to Croatia on Monday night. Many thought it looked like an ...

if you were lucky enough to find dark skies on a dark night. But the revelation of recent advances in digital photography is that the dim ribbon of silvery light we see with our naked eyes is ...