For many years, scientists have tried to work out the density of the Universe. The answer to this would give them an idea of whether the Universe is going to expand forever, or if the ...

then the "vacuum energy" that is emerging in the universe will continue to overtake the pull of gravity from matter. This means that, in the future, gravitationally bound clusters of galaxies will ...

New research suggests that dark energy isn't needed to explain the acceleration in the expansion of the universe — instead ... to be explored for the future of cosmology," Lane said.