Over time, I hope to fill out this page with a collection of essays touching on the philosophical underpinnings of science. For now, here is something to start with.
The Nature of Science: Antirealism is Not Postmodernsim (1-3-2008)
Puzzling Over Science (4-5-2006)
Defining Science (1-31-2006)
Here are some links to a few of the many good essays on the subject written by a wide variety of scientists and philosophers (more links to come).
Richard Feynman - Cargo Cult Science