Penn State University Skeptics Club (Popularity: )

Examining paranormal oddities from a realistic perspective.
Category: Science\Science in Society\Skeptical Inquiry\Organizations

CosmicVoyage (Popularity: )

Virtual museum and planetarium. Learn about cosmic evolution, from Big Bang to Humans.
Category: Science\Astronomy\Education

The Planetary Society (Popularity: )

A nonprofit organization devoted to the exploration of the solar system and the search for ...
Category: Science\Astronomy\Extraterrestrial Life

NOVA: Time Travel (Popularity: )

features an interview with Carl Sagan, a book excerpt, and a glossary.
Category: Science\Anomalies and Alternative Science\Time Travel

The Astrobiology Web (Popularity: )

An online guide to the origin, evolution, and distribution of life in the Universe as ...
Category: Science\Astronomy\Extraterrestrial Life\Exobiology

An Internet Chat with Koko the Gorilla (Popularity: )

Read the transcript of the chat which took place on April 27th, 1998. This event ...
Category: Science\Social Sciences\Anthropology\Linguistic Anthropology

A Student's Guide to Astrobiology (Popularity: )

An online guide to the origin, evolution, and distribution of life in the Universe as ...
Category: Science\Technology\Space\NASA

Primates (Popularity: )

Extensive links to resources about chimpanzees and other primates.
Category: Science\Biology\Flora and Fauna\Animalia

Ufoskeptic.org (Popularity: )

information site on the UFO phenomenon by and for professional scientists.
Category: Science\Anomalies and Alternative Science\Skeptics

Benastro's Astronomy (Popularity: )

A general information site for those who have a beginner's curiosity about the stars and ...
Category: Science\Astronomy\Personal Pages

The Planetary Society (Popularity: )

Offers overview, events, news and publications of a large nonprofit organization that promotes exploration of ...
Category: Science\Technology\Space\Organizations and Associations

The Planetary Society (Popularity: )

Publications, planetary news, learning center, store, and links.
Category: Science\Astronomy\Amateur\Organizations

Red Rover Goes to Mars (Popularity: )

Features a project for children to participate in the Rover 2003 mission to Mars. Includes ...
Category: Science\Technology\Space\Education

The Books and Ideas of Carl Sagan (Popularity: )

John William Schmidt discusses Sagan's work, especially The Demon-Haunted World and Contact.
Category: Science\Astronomy\History\People