Butterflies suffered in last year's wet and cold weather, having their worst year since 1976, a charity's study suggests.

The submersible that took Hollywood director James Cameron to the deepest place in the ocean is being donated to science.

The government is to plant 250,00 ash trees in an attempt to find strains that are resistant to the chalara fungus - the key to winning the long-term battle against ash dieback.

The Jodrell Bank Discovery Centre in Cheshire unveils its latest exhibit a mechanical orrery - a moving model of the solar system.

Almost 3,000 supermarkets in Brazil are pledging to avoid selling meat from cattle raised in the Amazon rainforest to curb illegal deforestation.

A gorilla helps Paignton Zoo mark its 90th birthday by painting a gorilla sculpture for its year-long public art project.