Global wildlife populations have shrunk by an average of 73% in the past 50 years, data shows.

A frozen block of ice far bigger than Greater London is captured in a vast pool of rotating water.

Another big iceberg breaks from in front of the UK's Halley research base - the third in three years.

UK researchers want to understand what triggers the Antarctic to kick out city-sized blocks of ice.

A proposal to codify a new geological epoch based on humanity's influence on Earth is rebuffed.

Satellites reveal a 50-year record of climate change by tracing the lumpiness in ice surfaces.

The veteran ERS-2 Earth observation spacecraft dives to destruction 2,000km west of California.

It may be bigger than a large city - but the world's biggest iceberg can still turn on a sixpence.