When "Star Trek" premiered on NBC in the fall of 1966, it promised "To boldly go where no man has gone before." More than half a century later, it has done just that. The original "Star Trek," which lasted for only three seasons, birthed...

Colorful, engagingly written information about astronomy and biology for Portuguese-speaking English language learners. Both subjects are broken down into a broad array of related subtopics. The biology section is particularly helpful...

A beautiful photo of Saturn taken by Voyager 2 which gives a clear view of the planets amazing ring systems and even some of its moons as they orbit in front of the gas giant.

Use this site to learn about John Glenn's accomplishments as a U.S. Marine, astronaut, and senator. This article includes links to further related information on Glenn as well as brief excerpts from the "My Hero Guestbook" in which...

This site from NASA examines all that is known about the comet Hyakutake. Select from "News Flash" or the table of contents located at the bottom of the page for specific information about the comet.

A collection of audio lectures from an introduction to astrophysics course taught at the University of California, Berkeley. The course discusses the solar system, stars, quantum mechanics, gravitation, and cosmology focusing on how...

This site from the National Aeronautics and Space Administration provides a fun project on rockets. "Nothing in space stands still. Everything either orbits around something else, or moves toward or away from something else. So how do...

This site from the National Aeronautics and Space Administration provides a fun project on rockets. "Nothing in space stands still. Everything either orbits around something else, or moves toward or away from something else. So how do...

This site from the National Aeronautics and Space Administration provides a fun project on rockets. "Nothing in space stands still. Everything either orbits around something else, or moves toward or away from something else. So how do...