Milky Way could be catapulting stars into its outer halo, UCI astronomers say

Findings may change fundamental thinking about star system formation, dynamics

Astrophysicists detect evidence of dark matter in Milky Way galactic center

Excess of gamma rays could indicate that dark matter particles are annihilating each other in space.

How the Milky Way's spiral arms are formed

UCI astronomers have modeled how the galaxy’s arms form.

James Bullock

UCI cosmologist gives TV audiences a tour of Milky Way

Cosmologist and TV co-host James Bullock helps people see the really big picture — from the Milky Way to the farthest reaches of the universe. He’s one of the “bright young stars” in his field.

The humanities, way out there

Outreach program asks Santa Ana students to reach for the stars

Photo of Kitt Peak National Observatory in Tuscon, Arizona.

Dark Energy Spectroscopic Instrument early data release holds nearly 2 million objects

UC Irvine-led mission’s cosmic maps include galaxies, quasars and stars in the Milky Way

Fragile mega-galaxy is missing link in history of cosmos

Two hungry young galaxies that collided 11 billion years ago are rapidly forming a massive galaxy about 10 times the size of the Milky Way, according to UC Irvine-led research published Wednesday in the journal Nature.

Reines Lecture at UC Irvine: UCLA astronomer and Nobel laureate Andrea Ghez

EVENT: 2024 Reines Lecture: “From the possibility to the certainty of a supermassive black hole” WHEN/WHERE: 6:30 p.m. Tuesday, March 12, Irvine Barclay Theater, UC Irvine campus. INFORMATION: Media planning to attend should contact Brian Bell at 949-565-5533 or bpbell@uci.edu. Attendance and parking are complimentary for media who RSVP in advance. BACKGROUND: The 2024 Reines […]

An artist's rendering of a solar system depicted as a group of ducklings orbiting their mother.

UC Irvine-led team unravels mysteries of planet formation, evolution in distant solar system

Astronomers analyze masses, orbital properties and atmospheric features of six exoplanets

Research team including UCI astronomer finds earliest, most distant known quasar

A team of researchers including a UCI astronomer has discovered the most distant known quasar. Named J0313-1806, the object is 1,000 times more luminous than the Milky Way, and the black hole from which it emanates is 1.6 billion times more massive than the sun. The researchers, led by astronomers from the University of Arizona, […]