It may be a widely-used term, but geologists still can't agree when the Anthropocene actually started.

A new satellite will measure global methane emissions, but why does agriculture's contribution remain so elusive?

The worst wildfires in Texas' history are leaving wide scars on the landscape. Why is the blaze so extreme?

In the coldest place on Earth, workers wage an epic battle with the extreme landscape – aided by specially trained penguin-movers.

North Sami, a language spoken in the Arctic, has more than 300 words for snow and a special word for "frightened reindeer". Can it survive in a warmer world?

Experts warn it's "boom time" for invasive species like the Asian hornet. But some native bee species are learning to fight back.

Monarch populations are teetering on extinction, their numbers down to 5% of what they were a few decades ago. Here's what to know and the simplest way to help.

Data scientist Hannah Ritchie argues that planetary damage could be about to peak – but that the US election result could be "pivotal".