Regeneron Pharmaceuticals has opened two new buildings at its headquarters in Tarrytown, NY, housing 300,000 square feet of lab and office space. The rapidly expanding biotech now occupies more than one million square feet of space at the site. At the grand opening, which was attended by New York State Governor Andrew Cuomo, Regeneron said it plans to invest an additional $150 million to further expand the Tarrytown campus, which will result in at least 300 more jobs. This new expansion pr...