The galactic center is very bright and emits light at many wavelengths, therefore, the properties of the molecular clouds give clues about their location within it.

Scientists have constructed a method for fitting and tested it on model data—that is, data that creates a cosmic ray distribution via known physical processes—and shown that it works pretty well.

Galactic Model Simulates How ET Civilizations Could Be Deliberately Avoiding Earth One hypothesis suggests that extraterrestrials haven’t contacted Earth because they’re ignoring us.

A new photo of a huge galactic "mega city" under construction in the early universe shows star formation happening in unexpected places, scientists have found.