These are free PDFs of selected back issues of Big Picture Science Newsletter from 1999-2002. The topics include: astronomy, the electromagnetic spectrum, and evolution. Use the pull down menu to select the ten available issues.

Please consider donating to support the free downloads from Big Picture Science. The cost of file delivery service has increased sharply. Downloads will not continue to be free unless donations cover part of the cost. See https://big-picture-science.myshopify.com/products/donation-to-support-free-downloads for more.