Remote communities are not receiving the compensation they are entitled to from schemes designed to conserve tropical forests, a study suggests.

Astronomers have discovered the largest known solar system, consisting of a large planet that takes a million years to orbit its star.

Facebook says its is "getting close" to having artificial intelligence software capable of beating the top players of the board game Go.

The Devils Hole pupfish, one of the rarest species in world, may not have existed as a distinct population for as long as once thought.

The planned introduction of 30 Marine Protected Areas off Scotland has sparked a "passionate debate", says the environment secretary.

An artificial intelligence program developed by Google beats Europe's top Go player about a decade earlier than had been expected.