A cosmic magnifying glass has revealed a Milky Way-like galaxy in the early universe that doesn’t conform to cosmologists’ expectations.
The Sloan Digital Sky Survey has released a new map of the universe — and the results confirm ongoing tension over the expansion rate of the universe.
Astronomers and citizen scientists have found two would-be stars lacking heavy elements. They’re most likely ancient survivors of our galaxy’s earliest days.
The first images to be released from the European Space Agency’s Sun-imaging spacecraft show intriguing “campfires” that could help explain a solar mystery.
This week, astronomers announce a newborn magnetar and a fast radio burst that's bursting to a beat.
The 30-degree circular arc is likely a shock front expanding from a star that exploded some 100,000 years ago.