BBC

An experiment with a common jellyfish has revealed the potential harm of seabed mining on creatures in the deep.

The annual report from Surfers Against Sewage found a rise in water-users reporting being unwell.

The National Trust says climate change-linked extreme weather is now the biggest threat to its sites.

The remarkable story of Captain Don Walsh and his 11km journey to the bottom of the Mariana Trench.

The rocket's flight was again cut short because of technical issues, but previous problems were fixed.

The vehicle's maiden flight in April ended when it exploded four minutes after leaving the ground.

Temperature records crumbled across the world this year, raising questions over the pace of global warming.

Wild swans are stopping off further north as winters become milder, experts say.

The best chance of catching a glimpse is in the early hours of Saturday and Sunday.

BBC correspondent flies over the Reykjanes Peninsula, where volcanic activity has been concentrated.

Eruptions on the south-western Reykjanes Peninsula may mark a new cycle, warn Icelandic meteorologists.

Graveyards, bridges and harvests are swept away in the worst floods to hit Somalia in a century.

Progress seen in climate talks between world's two biggest carbon emitters but major hurdles remain.

The pūteketeke won after the US talk show host's self-described "alarmingly aggressive" campaign.

A Google DeepMind tool predicted where one would hit three days ahead of existing methods.

Residents of a fishing port remain on edge as scientists say a volcanic eruption is still imminent.

The Delhi government wants to use cloud-seeding to combat the city's pollution crisis.

An eruption is thought imminent but its impact depends on where magma breaches the surface.

Thousands are asked to evacuate from a town in the southwest over fears magma has spread underground.

Winners each awarded $1.2m at environmental awards founded by Prince William, and held in Asia for the first time.