The largest predatory dinosaur to ever walk on Earth sported a massive sail that rose from its back, but it turns out this imposing creature would have made for a very slow and awkward swimmer, ...

What if the giant sail-backed Spinosaurus wasn't actually a swimming dinosaur at all? Despite some scientists' impressions of the dinosaur, as well as the way it is portrayed in Jurassic Park 3, the ...

Unlike most dinosaurs, it seems that spinosaurs liked the water. This suggestion is based on the analysis of a well-preserved fossil tail of Spinosaurus aegyptiacus, published Wednesday in the journal ...

CHICAGO (AP) — The newest addition to the Field Museum on Chicago's lakefront will give visitors a glimpse of the largest predatory dinosaur yet discovered via a 46-foot (14.02 meter) cast of a ...