Astronomy Picture of the Day

19 hours ago ... Features a different image or photograph of our universe each day, along with a brief explanation written by a professional astronomer.

http://apod.nasa.gov/apod/

Astronomy Picture of the Day

A different astronomy and space science related image is featured each day, along with a brief explanation.

http://apod.nasa.gov/

Astronomy Picture of the Day Archive

Daily archive of interesting astronomy photos by NASA.

http://apod.nasa.gov/apod/archivepix.html