Astronomers have, for the first time, spotted a planet that is considered to be in the "Goldilocks zone," meaning that its environment is just right to sustain life: not too hot, not too cold. Scientists approximate that...

This site describes soft gamma repeaters. The author, Robert C. Duncan of the University of Texas at Austin, explains how these strange, physically-extreme stars form, and why they emit steadily pulsating X-rays with...

The Two Micron All Sky Survey at IPAC website provides an image gallery of the solar system's objects, Jupiter's moons, H II regions, star formation regions, and reflection nebulae, open star clusters, globular star...

The purpose of this website is to make a collection of web acessable original documents, reviews, and online links to articles on topics including cosmology, particle physicis, and extragalactic astronomy. This website...

This NASA Image of the Day is the first image of the Earth and moon in a single photograph. The image was captured 7.25 million miles from Earth by Voyager 1 in 1977. More information about the photograph and a link to...