The world's frozen oceans, which help to keep the planet cool, currently have less ice than ever previously recorded, satellite data shows. Sea-ice around the north and south poles acts like a ...

Reaching up to 300m, Tasmania's sea cliffs are some of the highest in the world. Beneath the cliffs of Waterfall Bay is a vast network of underground caves carved out over several million years of ...

Sea-ice around the north and south poles acts like a giant mirror by reflecting much of the Sun's energy back into space. But as rising temperatures cause this bright layer to shrink, the dark ...