A new study suggests the universe may end much sooner than previously thought, revising its predicted lifespan based on ...

A mirror universe may have formed alongside ours, preserving laws of physics that appear violated.

Astronomers peering back deep in time into the distant universe think they may have discovered a population of previous hidden galaxies that could shake up astrophysics. The research, based on data ...

For hundreds of a millions of years, the universe existed in the dark ages—an epoch when only primordial gasses existed. Then, a period of reionization, cleared away this foggy existence an introduced ...