Astronomers find that the sun’s core rotates four times faster than its surface

Surprising observation might reveal what the sun was like when it formed

UCLA astronomers watch star clusters spewing out dust

Galaxies are often thought of as sparkling with stars, but they also contain gas and dust. Now, a team led by UCLA astronomers has used new data to show that stars are responsible for producing dust on galactic scales, a finding consistent with long-standing theory.

UCLA astronomers make first accurate measurement of oxygen in distant galaxy

UCLA astronomers have made the first accurate measurement of the abundance of oxygen in a distant galaxy. Oxygen, the third-most abundant chemical element in the universe, is created inside stars and released into interstellar gas when stars die.

UCLA astronomers solve puzzle about bizarre object at the center of our galaxy

For years, astronomers have been puzzled by a bizarre object in the center of the Milky Way that was believed to be a hydrogen gas cloud headed toward our galaxy’s enormous black hole.