Scientists say the two black holes merged after colliding at speeds near the limit allowed by Albert Einstein’s theory of ...

Instead of the big bang, some physicists have suggested that our universe may have come from a big bounce following another ...

How old is the universe? Learn more about the age of the Universe, from it's explosive beginnings to how we on Earth can ...

Is the universe truly 3D—or just a hologram? The holographic principle flips reality on its head, suggesting our world may be ...