BBC

Birds rely on smell to find their bearings when land is out of sight, according to a study.

A 200-million-year-old fossil 're-discovered' in a museum is something special, say scientists.

The arguments nearly a century ago over the use of leaded petrol.

The sight, off the coast of Florida's Anna Maria Island, was filmed on Thursday afternoon.

A new citizen science survey aims to shed light on that fixture of summertime in the outdoors: the wasp.

A huge rockfall in Val Bondasca raises questions about how climate change is affecting the Alps.

Proposals to expand the A3 at a junction with the M25 could mean the loss of 500 trees at the Royal Horticultural Society Garden Wisley.

Hundreds of years after the dodo died out, new facts are emerging about the life history of the bird.

A commercial LNG tanker sails across the colder, northern route to Asia without an ice breaking ship.

Scientists are divided on whether snow leopards are still endangered species, a BBC investigation finds.

The previously-protected area is bigger than Denmark and is thought to be rich in gold.

Campaigners in Poland are worried about the future of one of Europe's last primeval forests, as the Polish government defies an EU order to stop logging there.

Up to 60 million Pakistanis are at risk from the deadly chemical, according to a new water analysis.

New study shows invasive rhododendrons damage woodland environment but are not poisoning the soil

The UK contributes to a sophisticated new radar to map the Sun's impacts on Earth's high atmosphere.

Former Marshall Islands minister Tony De Brum, who played a key role in securing the Paris pact passes away aged 72.

Australia Zoo has asked the public to name a white koala joey.

Scientists create bacteria covered in tiny solar panels that generate a potential new fuel from the Sun.

Find out when you can next witness a solar eclipse in your country with our eclipse calculator.

BBC correspondent James Cook views the total eclipse from 40,000ft above the Pacific Ocean.