Is dark energy just an illusion, as is often suggested? To resolve the dilemma, interpreting the basic principles of general relativity in a complex Universe may need a rethink.
A new telescope aims to figure out what became of the universe's original atoms once the first stars began to shine.
Hundreds of images of thousands of galaxies have given astronomers one of the most detailed galaxy studies ever compiled.
In about 10^100 years, the universe will have passed away in a tragic 'heat death'. But don't despair, eventually random conscious brains may pop out in empty space to shake things up.
A unique map of the galaxies in the sky could shed light on the mysteries of the universe – including dark energy and dark matter.