Dec. 4 (UPI) -- The Center for Advancement of Science in Space will continue to manage the International Space Station National Laboratory for at least another five years, CASIS announced on Thursday. CASIS has managed the ISS National Lab since 2011, after Congress created it to enable researchers to build a "robust market" in low Earth orbit by leveraging the unique environment that exists in space, CASIS officials said in a news release . "For nearly 14 years, NASA has entrusted CASIS with