Through the lens of the Hubble and James Webb Space Telescopes, scientists are zeroing in on the Hubble Constant, a vital ...

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

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

Hubble Space Telescope mapped Andromeda, revealing a chaotic history shaped by mergers. A 2.5-billion-pixel mosaic shows 200 ...

Circa 1945: Astronomer Dr. Edwin Powell Hubble sitting in a chair at a desk reading a journal. A staff member at Mt. Wilson ...

Edwin Hubble's discovery of the expanding universe transformed cosmology, revealing countless galaxies and laying the ...

For humans, the most important star in the universe is our sun. The second-most important star is nestled inside the ...

After returning from injury and taking the reins of the starting job in Week 7, Russell Wilson provided a massive upgrade for the Pittsburgh Steelers and it looked like he was almost a lock to ...

Red flag conditions were expected until Friday afternoon. The Eaton Fire reached the grounds of the Mount Wilson Observatory, the place where a century ago Edwin Hubble discovered the existence of ...

NASA's Jet Propulsion Laboratory (JPL) and the historic Mount Wilson Observatory in California appear to be unscathed by the Eaton fire burning through Pasadena and Altadena - for now. However, over ...

Here are all the wildfires burning in Southern California at a glance.