Pinpointing a Milepost Marker Star that Opened the Realm of Galaxies At the dawn of the 20th century, astronomers faced a ...

Hubble’s work pushed the field of astronomy forward, starting with his paper demonstrating that some objects exist outside our galaxy.

One moment you’re examining intricate microminiature sculptures so small they fit in the eye of a needle, the next you’re ...

For humans, the most important star in the universe is our Sun. The second-most important star is nestled inside the Andromeda galaxy. Don't go looking for it -- the flickering star is 2.2 million ...

The critical danger level is a result of the wildfires in the region, including the Eaton Fire which has burned more than 14,000 acres in Altadena and Pasadena.

Angeles National Forest is closed to the public today until Wednesday at midnight because of critical fire danger and to ...

The air is still so bad that field crews cannot yet work safely. When they go out, they expect to to find snapped, broken or ...

Will Rogers’ ranch house and other historic buildings located on the 186-acre Will Rogers State Park were destroyed by the ...

Firefighters put out a fire burning inside a tree after the Eaton Fire burned through the mountains of the Angeles National Forest near Mount Wilson Observatory north of Pasadena, Thursday ...