A long-lost oceanic plate is diving deep into the mantle, dragging down the crust above, researchers say. However, the plate ...

Where a river begins Features of a river's upper course How waterfalls, gorges and other physical features are formed Wildlife you might find near or in the upper course This resource is suitable ...

A high pressure system over the southern Tasman Sea maintains a ridge across the eastern half of the state, while a trough remains mostly stationary in the far west. Little change to this pattern is ...