Scientists put their “stamp” on prehistory after discovering a massive dinosaur footprint in Mongolia said to have belonged to one of the largest two-legged animals ever to roam the Earth.

A Jurassic pterosaur fossil, known to paleontologists for over 160 years, isn’t a new species. It is an odd specimen of Rhamphorhynchus muensteri.

India is a marketplace booming with smartphones duking it out on various price points. From the killer-budget phones to the ultra-flagships, there is a phone for everyone. Of course, the market ...