Pole track

Hot spot motion

Deadly impact

A series of comet collisions with the Earth may have led to the extinction of many species

Of ups and downs

Shifts in the Earth's rotational axis caused changes in sea level

Icy quakes

A continental jigsaw

A new study sheds more light on how Argentina came into its present form

Spinning faster

Quake quest

Flowing study

The truth about an ocean

An end to forecasting

Japan's earthquake-prediction programme may soon be closed down

Breaking a myth

Weather watch

Heated within

Catastrophic change

Tilting Earth

Distant eyes

Rediscovering Antarctica

Volcanic after effects

Volcanic eruptions in Hawaii provide ground for new life

The tilting pole

Is the North Pole shifting towards Japan?

Turmoil in the Earth's guts

The foundations of the Yellowstone National Park are still on the boil

Faulty planes

Sudden impact

A meteorite that hit the Earth could have thrown life forms across the globe

A lubricated fault?

Understanding earthquakes