 NASA plans to keep a crew on board until about six months before the station makes that plunge. The agency hopes new commercial space stations will come online soon to continue science in low-Earth orbit. For NPR News, I'm Brendan Byrne in Orlando. Auction house Sotheby's says it has auctioned off the fossilized remains of a stegosaurus for more than $44 million. It was only supposed to fetch $6 million at most. The stegosaurus is thought to be one of the most complete fossils ever found.