Patagotitan mayorum is estimated to have been about 77 tons (70 metric tonnes) and 122 feet (37.2 meters) long, which would make it the largest dinosaur we know of.

This summer a team of paleontologists piled into trucks in Los Angeles and set out ... thought to be Cetiosaurus, a dinosaur that grew to nearly 60 feet in length. A fifth set belonged to the ...

The next time a 4-year-old asks what the biggest dinosaur ever was, you can respond confidently: It was the titanosaur Patagotitan mayorum (simply "Patagotitan" for short), a colossal creature that ...