Pasadena Daily Photo

You may remember our good friend  Craig Woods , the Superintendent at Mount Wilson Observatory . Craig invited us to a special Sunday potl...

Today we know this as the Andromeda galaxy, or M31. But it was known as the Andromeda nebula when this negative was taken. Edwin Hubble ...

Dr. Cindy Hunt, Caltech PhD and head of Social Media for the Carnegie Observatories in Pasadena, pushes open the door to the vault. My mo...

Here's a familiar face. Everybody knows Albert Einstein spent a good deal of time in Pasadena in the 1930's, lecturing at Caltec...

The grand finale of the Mt. Wilson Observatory tour is the 100-inch telescope. Here, Edwin Hubble worked to discover his theory of the ex...

If you were not at the Carnegie Observatories open house last weekend (and you might have been, it was crowded), you missed the Hale Li...

This little-known gem is part of The Carnegie Observatories , a venerable institution that's been around since 1904, when George Hale go...