Tonight -- if you can stay up past your bedtime -- you can view a total lunar eclipse: the Moon will pass completely through the Earth's shadow. The partial eclipse begins at 10:58 pm PDT and ends at 2:33 tomorrow morning; the greatest eclipse takes place at 12:46 am. 

If you can't stay up past your bedtime, you can always take a look at SearchWorks for titles about lunar eclipses. There's also a primer on lunar eclipses available here.