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

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

An extremely bold hypothesis proposes transient temporal singularities remove the need for dark matter and dark energy.

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

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The detection of dark matter, the elusive type of matter predicted to make up most of the universe's mass, is a long-standing ...

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

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 ...

Researchers say they discovered observational evidence of string theory, which could turn everything we know about the ...

The idea of time travel—moving forward or backward through time—has captured human curiosity for generations. In tandem, the ...

Astronomers may have found the long-missing half of the universe's regular matter—and it appears to have been right under our ...