The Milky Way arching majestically above a plateau of the Atacama Desert in Chile.
The Galaxy XR is a stepping stone to the faceputers we really want: AR smart glasses.
The annual competition highlights photographers' pursuit of a perfectly dark sky.
The pristine star formed outside the Milky Way and later drifted into our galaxy.
Without the mass stellar migration, life may not have been able to form on Earth.
There is a lot we have yet to understand about the center of the Milky Way—could it be due to a mass of invisible dark matter?
For decades, astronomers have been vying to identify a source for a mysterious gamma-ray excess at the center of the Milky Way. Could dark matter be the answer?
Photo: Lorenzo Ranieri 
