Traces of a 150-million-year-old dinosaur have been found on the banks of Scotland’s Loch Ness, but they are definitely not those of the lake’s legendary monster, scientists said. A Jurassic-era ...

The platypus is a venomous mammal that lays eggs, can sense electricity, and has 10 sex chromosomes. The tuatara is a reptile from a lineage that evolved before most dinosaurs (and all lizards). The ...