At the top of the world, there is a sea—the remains of one, at least. The summit rocks of Mount Everest, the highest ...

Birds are the only dinosaurs that survived the cataclysmic mass extinction caused by an asteroid the size of Mt. Everest crashing ... Now, rare fossil discoveries are revealing the secrets of ...

Two hidden mountains, more than 100 times larger than Mount Everest have been discovered deep underground. The two ‘islands of rock’ each measure more than 620 miles / 998km tall, dwarfing ...