Unraveling a mystery surrounding cosmic matter

UC Riverside physicist and colleague invoke the cosmological collider to explain why matter, and not antimatter, dominates the universe

By Iqbal Pittalwala | | Science / Technology

Surprisingly high fraction of dead galaxies found in ancient galactic city

Why cluster’s galaxies are unlike those in all the other known protoclusters is a mystery, says UC Riverside-led team

By Iqbal Pittalwala | | Science / Technology

Astronomers explain origin of elusive ultradiffuse galaxies

UC Riverside astronomer and colleagues use simulations to reveal how the very faint dwarf galaxies are born

By Iqbal Pittalwala | | Science / Technology

How a supermassive black hole originates

UC Riverside-led study points to a seed black hole produced by a dark matter halo collapse

By Iqbal Pittalwala | | Science / Technology

Astronomers offer possible explanation for elusive dark-matter-free galaxies

UC Riverside-led study finds extreme tidal mass loss in dwarf galaxies formed in a simulation

By Iqbal Pittalwala | | Science / Technology

Physicists explain mysterious dark matter deficiency in galaxy pair

A new theory about the nature of dark matter helps explain why a pair of galaxies about 65 million light-years from Earth contains very little of the mysterious matter, according to a study led by a physicist at the University of California, Riverside. Dark matter is nonluminous and cannot be...

By Iqbal Pittalwala | | Science / Technology

Satellite galaxies of the Milky Way help test dark matter theory

UC Riverside physicists demonstrate “self-interacting dark matter” model can be tested using astronomical observations of Draco and Fornax

By Iqbal Pittalwala | | Science / Technology

Astronomers discover unusual monster galaxy in the very early universe

XMM-2599 lived fast and died young, says UC Riverside-led international team

By Iqbal Pittalwala | | Science / Technology

Black holes stunt growth of dwarf galaxies

UC Riverside astronomers find large-scale winds associated with active black holes in small galaxies suppress star formation

By Iqbal Pittalwala | | Science / Technology

The Milky Way kidnapped several tiny galaxies from its neighbor

UC Riverside-led research shows our galaxy is undergoing a massive merger with its largest satellite galaxy, the Large Magellanic Cloud

By Iqbal Pittalwala | | Science / Technology

Astronomers discover triplet of black holes on collision course

Unique expertise of UC Riverside scientists helped make the discovery

By Iqbal Pittalwala | | Science / Technology

Study provides new insight into why galaxies stop forming stars

A team of UCR-led scientists get best measure yet of why star formation stopped in galaxy clusters in the early universe

By Iqbal Pittalwala | | Science / Technology

Early opaque universe linked to galaxy scarcity

Team led by UC Riverside astronomer George Becker used the Subaru telescope to make the discovery

By Iqbal Pittalwala | | Science / Technology