BBC

The uninhabited Pacific island is littered with 37.7 million pieces of plastic debris, scientists say.

Meet the scientist behind one of the biggest science projects in the Middle East.

How an entrepreneur is bringing water to the deserts of Pakistan by using goats as currency.

A fishing ban extension is said to be the best hope for the world's most endangered marine species.

The London-based satellite operator puts up a fourth spacecraft in its global broadband network.

Swansea University researchers are using the models to understand how best to use tidal power.

The iguana chase won Planet Earth II the Bafta for Must-See Moment.

How different Earth's history might have been if the space rock had struck a different location.

A pod of orcas make several close passes of a fishing boat off the coast of Orkney.

Tokamak Energy thinks its mini fusion generators will allow the company to test ideas faster than their competitors.

New research suggests that less dust means means more dirty air in major Chinese population centres.

Tens of thousands of people marvel over shots of brightly lit Belgium taken from space.

A recent conference in Bahrain brought together experts in Islamic archaeology to discuss the lessons of the past and how to safeguard Muslim heritage for future generations.

President Trump will make "the right decision for the US" as he reviews the climate change policy.

A sheriff's helicopter crew warns paddle-boarders they are swimming with sharks off the California coast.

Two big cats including the African lion are most at risk from extinction due to loss of prey, say scientists.

Noam Chomsky argues the Republican Party is the most dangerous organisation in human history.

Campaigners say there should be greater scrutiny of industry bodies that are involved in UN climate talks.

Male Kentish glory moths are to be counted with the aid of bits of rubber coated in the scent of female moths.

The fossil of a hatchling dinosaur dubbed Baby Louie is recognised as a new species of feathered dinosaur.