Dark energy might be weakening. The standard model of cosmology – the best working theory we have to explain the universe – is known as ΛCDM (pronounced Lambda-CDM). Lambda is the symbol for ...

New observations of the cosmos show that the dark energy, a mysterious force that accelerates the expansion of the universe, is evolving.

Physicists have proposed a new model of space-time that may provide the 'first observational evidence supporting string ...

"The new model can account for both structure formation and stability, and the key observational properties of the expansion ...

Dark energy is a mysterious force making the universe fly apart faster and faster. Its discovery came from one of the most unexpected results in the history of astronomy: in the late 1990s ...