UC Riverside physicist uses 3D-printing technology to understand how the cosmos has evolved.

Phobos will likely slowly lose orbit and be shredded into pieces that will surround the red planet.

Professor's new approach classifies 99 percent of all known exoplanets.

New observations via X-ray telescopes confirm theory of 'tidal disruptions' that rip stars apart.

Solar laser beams will push that deadly space rock out of a collision course with Earth: It sounds far-fetched, but it may be closer to reality than one might think.

International team with multiple UC researchers pinpoints young, giant planet with characteristics shared by those in our solar system.

Breakthrough Prize founder Yuri Milner joins 10-year commitment to ramp up SETI.

Astrobiologist investigates whether cosmic collisions were the key to earthly life.

First images from Dawn spacecraft produce up-close, 3-D model of the ‘mysterious’ terrain of the orb between Mars and Jupiter.

Four quasars, each one a rare object in its own right, have been found in close physical proximity to each other.

Astronomers discover a bright galaxy more than 13 billion light years from Earth — the most distant known, dating back to when the universe was just 5 percent of its current age.

Worrisome news for potential missions to Mars: Long-term galactic cosmic ray exposure can cause permanent dementia-like cognitive impairments.