New measurements of a certain type of supernova seems to indicate that our expanding universe isn't accelerating at all, negating any need to invoke a mysterious 'dark energy' to explain supernovae ...

Discovery triples known active black holes in dwarf galaxies, doubles intermediate black hole candidates, and challenges ...

Do you have a deep curiosity about the cosmos? What does it mean for space to expand? What is the universe made out of? How ...

For decades, Type Ia supernovae have been the gold standard for measuring the expansion of the universe. These massive ...

The discovery marks the largest sample of such galaxies ever compiled and will expand scientists' understanding of the number ...