The European Southern Observatory (ESO) is an intergovernmental organization comprised of 14 member countries. Its headquarters are in Germany, but they have three observatories in Chile as well. Their website is loaded...

This site provides timely access to the results of space exploration. It uses new technology to provide fresh research results to wide audiences. The sites includes electronic books, many recent articles, videos, and...

The new online exhibit, Explore the Universe, is provided by the Smithsonian National Air and Space Museum. The site "presents the major discoveries that have given us our current scientific view of the universe,...

PBS presents a timeline of the universe from the Big Bang to the future. This interactive website offers concise introductions to many of the key developments of the universe including the formation of elements, the...

This National Aeronautics and Space Administration sites highlights the investigation of supernova SN 1604 with images from three different NASA observatories. This site presents a composite image that combines visible,...