BBC

Dolly the sheep's "siblings" are generally healthy, a study has shown, providing hope that cloning can yield animals free from degenerative illness.

A rare white humpback whale has been spotted off Australia's east coast travelling at a leisurely pace not far from the famous holiday town Byron Bay.

On World Mangrove Day, Sri Lanka's prime minister says mangroves' ability to swiftly absorb carbon make them vital in the fight to curb climate change.

The first round-the-world solar powered flight has been completed.

The Solar Impulse becomes the first aircraft to circle the globe powered by the sun after landing in Abu Dhabi on the last leg of its journey.

When it comes to height, Dutch men and Latvian women tower over all other nationalities, a new study reveals.

Photographer Charles Fox documents the work of the Trapang Sangke fishing community in Cambodia.

The UK government's getting together with the retail giant Amazon, to start testing flying drones that can deliver parcels to your door.

The areas of the brain involved in complex thought are the ones that change the most during the teenage years, research shows.

Tigers at a wildlife park in Beijing have killed one woman and injured another after the pair left their vehicle, Chinese media reports say.

The Sun-powered aircraft Solar Impulse sets out from Egypt's capital, Cairo, on the last leg of its quest to circle the globe.

A small bog in Lancashire is once again home to a rare species of butterfly, for the first time in 100 years.

Currently under construction, the MeerKAT telescope in South Africa is establishing its role in scientific research.

A dolphin that was sunburned while stranded out of water on mudflats for 24 hours in May appears to be recovering from its injuries.

A super-hard metal is made in the laboratory by melting together titanium and gold.

A recent drought shut down the Amazon Basin's carbon sink by killing trees and slowing trees' growth rates, a first-of-its-kind study shows.

Honey hunters in Mozambique rely on the help of honeyguide birds - and a new study reveals their two-way communication.

A brain map built up from scans of more than 400 individuals has carved the "cortex" into 180 different compartments, including 97 new ones.

Twycross Zoo and the University of Nottingham are to look into why great apes are susceptible to heart disease.

South Africa's great white shark population is heading for possible extinction‚ after a rapid decline in numbers, say researchers.