P. mayorum lived during a time when Earth had a warmer-than-average climate and flowering plants (angiosperms) were diversifying. This may have helped the titanosaur evolve to such epic proportions.
[Read the full story on Patagotitan mayorum, the largest dinosaur on record]
Laura is an editor at Live Science. She edits Life's Little Mysteries and reports on general science, including archaeology and animals. Her work has appeared in The New York Times, Scholastic, Popular Science and Spectrum, a site on autism research. She has won multiple awards from the Society of Professional Journalists and the Washington Newspaper Publishers Association for her reporting at a weekly newspaper near Seattle. Laura holds a bachelor's degree in English literature and psychology from Washington University in St. Louis and a master's degree in science writing from NYU.