Extinct 39-million-year-old whale ‘may be heaviest animal that ever lived’
The findings, published in the journal Nature, suggest this extinct species had a body mass of up to 340 tonnes
Extinct “fantastic giant tortoise” found alive on the Galápagos Islands
Who is Fernanda, the last known fantastic giant tortoise?
First egg from Antarctica is big and might belong to an extinct sea lizard
Measuring in at more than 11 by 7 inches, the egg is the largest soft-shell egg ever discovered and the second-largest egg of any known animal