A look at how cosmic rays are produced and what that can tell us about the universe. Not simply another form of light, they carry information about powerful and unseen processes at work thousands or even millions of light years away.
A look at gigantic telescopes of the future with multiple mirrors working in unison. The Spitzer Space Telescope will see further than the Hubble and possibly get our first pictures ever of another planet that can support life as we know it.
Examining the short supply of water in the rest of the solar system, at least in liquid form. The search for water (and life) has revealed some unusual places, including a moon of Saturn that is shooting liquid water into space.