Deflecting asteroids: fact or fiction?

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.

Artist's rendering of Jupiter-like exoplanet

Jupiter-like planet discovered outside our solar system

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

Artist's conception, Kepler 186f

Investor joins in $100M search for extraterrestrial intelligence

Breakthrough Prize founder Yuri Milner joins 10-year commitment to ramp up SETI.
simulation of comet hitting young Earth

Did icy comets serve as storks for life on Earth?

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

UCLA-led NASA mission eyes dwarf planet Ceres

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

Astronomers baffled by discovery of rare quasar quartet

Four quasars, each one a rare object in its own right, have been found in close physical proximity to each other.
EGS-zs8-1 galaxy

That galaxy far, far away is farther than we thought

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.

Extended space travel may warp astronauts' brains

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

How a new telescope will measure the expansion of the universe

A next-generation experiment will create the largest 3-D map of the universe and help Berkeley Lab scientists get a handle on dark energy.
space junk illustration

Zapping away space junk

A solution right out of sci-fi: shooting space debris with a laser mounted on the International Space Station.