NASA announces the new Carl Sagan Postdoctoral Fellowships in Exoplanet Exploration, created to inspire the next generation of explorers seeking to learn more about planets, and possibly life, around other stars.

NASA's space science site for kids - en Espanol. Features a wide range of activities, including games, projects, animations, and more. Also contains useful information on basic physics, chemistry, and other natural sciences, offering...

Alien life is often theorized in many ways throughout popular culture. This site by the Public Broadcasting System attempts to shed light on the studies and exploration that are currently underway to uncover such life. This well rounded...

Does alien life exist? Explore the arguments both pro and con. Make your own opinion known by participating in an online poll and then find out what the majority believe.

Find out how astronomers are conducting extensive observations to estimate how many planets in our Milky Way galaxy might be potential abodes for life.

This video segment adapted from NOVA goes on a whimsical journey in search of life forms thriving in extreme conditions on Earth and in outer space. Animations show ice on Jupiter's moon, Europa, and signs that water once existed on...