An artist's reconstruction of Ledumahadi mafube, which means "a giant thunderclap at dawn," foraging during the early Jurassic in South Africa. Millions of years before the brontosaurus roamed the ...

Millions of years before the brontosaurus roamed the Earth, a massive relative was lumbering around South Africa. Scientists think this early Jurassic dinosaur was, at the time, the largest land ...