More than 100 volunteers with the U.K.'s National Trust are working diligently on a steep hill in the brutal summer heat to restore the Cerne Abbas Giant to his former glory.

From towering giant sequoias to deep Sierra canyons, these twin national parks showcase some of the largest trees and wildest landscapes in the US.

Researchers have discovered East Asia's tallest known tree, an 84.1-meter Taiwania cypress nicknamed the "Heaven Sword of the ...

Giant ancestors of modern-day kangaroos — which previous research has estimated could weigh up to 250 kilograms — may have been able to hop in short bursts, according to research published in ...

Ancient anaconda fossils show that the snakes became giants soon after emerging in Miocene South America. Their size has stayed stable for over 12 million years, even though other huge reptiles went ...

Turtles today are often slow-moving, modestly sized creatures, but their ancient relatives were quite different. Long before modern turtles evolved into the familiar forms we recognize today, some ...