The European Space Agency - ESA - has a wonderful site about finding exoplanets and perhaps life on other planets.
NASA's Exoplanet Exploration site is an awesome source of information! Explore this site's videos, galleries, and fascinating facts, and check out these pages:
- PlanetQuest Interactive VideoTimeline
- Exoplanets 101 - all about the search for life
- Exoplanet Travel Bureau with travel posters
- 20 Intriguing Exoplanets - and more!
- Historic Missions and exoplanet discoveries
- Galaxy of Horrors - there are some weird planets out there!