Dartmouth researchers propose a new theory about dark matter originating from high-energy massless particles colliding in the ...

For generations, the Big Bang has stood as the definitive origin story of the universe — an explosive moment from which time, ...

Dark matter may have started as light-like particles that abruptly became heavy—a cosmic twist rooted in spin and ...

The earliest galaxies may have scrambled our reading of the Universe. A new study challenges the traditional interpretation ...

Scientists have found a neutrino that could come from a gamma-ray burst, an active black hole or a collision between a cosmic ...

Researchers propose a new theory for the origin of dark matter, the invisible substance thought to give the universe its shape and structure. Their mathematical models show that dark matter could have ...

Researchers have an explanation for how dark matter emerged - beginning with weightless particles and ending with massive ...

A study by Dartmouth researchers proposes a new theory about the origin of dark matter, the mysterious and invisible substance thought to give the ...

Dark matter, though invisible, weighs heavily on how we understand the universe. Its gravity sculpts galaxies, holds clusters ...

Elliptical galaxies are some of the oldest types of galaxies in the universe. They formed relatively quickly after the Big ...

The "afterglow" of the universe is an important piece of evidence for the Big Bang. This background radiation also provides ...

Researchers suggest the universe's background radiation has been overestimated, potentially challenging the standard model of ...