BBC Click gets rare access to the twin of Nasa's Curiosity Mars rover which is helping scientists solve problems on the Red Planet.

The BBC's Claire Marshall takes a closer look at how you go about injecting a tree with a prototype fungicide, derived from garlic, as part of the fight against ash dieback.

Professor Brian Cox joins a search-and-rescue mission in the depths of winter as they collect two cosmonauts and an astronaut as they arrive back on Earth after months living aboard the International Space Station.

Neha Bhatnagar reports from a demonstration in Nairobi, as protests are held in over a hundred cities across the world calling for an end to the trade of ivory and rhino horns.

New research published by the Natural History Museum has shown that it is possible to culture cells from butterfly wings to produce iridescent colours in the laboratory.

At the Paris Motor Show, Theo Leggett looks at the Peugeot 208 Hybrid Air - a concept car that brings a new meaning to the term "gas guzzler".

Conservationists have revealed the latest weapon in their fight to preserve and restore threatened heath land in Dorset.

British scientists are hoping robots will be able to give the most detailed picture yet of life deep below the waterline. The BBC's Science Editor David Shukman reports

A rare clouded leopard has been hand-reared in the bathroom of a zookeeper after she was rejected by her mother.

12 more bodies have been recovered by rescue workers from from Mount Ontake, bringing to 48 the number of those killed by Saturday's volcanic eruption.

Researchers have captured the social spread of a new type of tool use in a wild population of chimps for the first time.

New technology allows security services to analyse the contents of the sewers to discover where people are making home-made bombs.

The European Organisation for Nuclear Research (Cern) is celebrating its 60th birthday. Here is a quick look at its life so far - in 60 seconds.

Work is beginning to raise part of one of the main roads in the Somerset levels to protect it from future flooding.

Rescue teams in Japan have resumed their search for survivors of a volcanic eruption on Saturday.

A charity has developed a range of meat products made from the iconic Dartmoor Pony, in what it says is a bid to save the species.

Mount Ontake in Japan erupted on Saturday, sending a large plume of ash into the sky.

How builders and architects in Chichester are embracing new technology to make houses greener and more attractive to buyers.

Farmers warn oil seed rape crops are being destroyed because of a ban on a pesticide brought in to protect bees.

A search is underway for two hen harriers which have gone missing, prompting the RSPB to offer a £1,000 reward for help in their safe recovery