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

A new idea about cosmic expansion has emerged that might remove the need for dark matter and dark energy altogether.

A new study in Monthly Notices of the Royal Astronomical Society by researchers including István Szapudi of the University of ...

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

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

If this scenario plays out, “the world as we know it would collapse like a house of cards,” says one theoretical physicist.

Teleology is the idea that some processes in nature are directed toward a goal or an end. Today, it is commonly asserted that ...

In recent years, one of the most troubling puzzles in astrophysics has grown more urgent. Scientists have realized that the ...

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