A new analysis of astronomical data suggests unknown physics is at work assisting dark energy in acting almost as "antigravity," undoing the work of gravity, which clumps together matter to build vast ...

Professor Richard Lieu proposed that there could be gravity happening even without mass. This proposal, outside the ...

Gravity pulls us to earth, a lesson you learn viscerally the first time you fall. Isaac Newton described gravity as a ...

Physicist Richard Lieu first explored the idea that gravity could exist without mass—now he’s got a new cosmological model ...

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

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

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

The physics & astronomy professor joins an international team in detecting solar neutrinos, advancing search for elusive dark ...

First discovered in the 1990s, dark energy has come to feel like a familiar face of the cosmos. Astronomers first imagined ...

Last month, a press release announced groundbreaking findings from the Dark Energy Spectroscopy Instrument (DESI), which is installed on the Mayall Telescope in Arizona. This vast survey, containing ...

How scientists are trying to understand and measure dark energy is the topic of an open house Sunday at the Indiana ...