BBC News

Used for building homes on lochs, the artificial islands were previously thought to date from the Iron Age.

Researchers uncover the earliest known evidence of cannabis use, from tombs in western China.

The British Antarctic Survey produces an exquisite new printed sheet map of Greenland and the European Arctic.

A remarkable story of how a snail was rescued from the edge of extinction and returned to the wild.

Hidden Figures Way is named after the African-American women featured in the Oscar-nominated film.

Ten years into a unique scientific project monitoring the famous forest, what have researchers learned?

The UK has promised a stricter emissions target by 2050, but some say it should be sooner.

Chicks hatching for the second year on an estate is good news for the endangered species, the RSPB says.

The UK will set a new legally binding target to reach net zero greenhouse gas emissions by 2050.

The survival of a calf which had a "lethal" virus will help the global fight against it, a zoo says.

The Asian elephant was born at Pairi Daiza zoo in Belgium.

The crops developed by Norman Borlaug have saved millions of people from starvation.

America's heartland has faced months of record-breaking floods. Why is it so bad now and what's the impact?

The new cars being tried out in Porto Santo can sell solar power electricity back to the island grid.

Land Speed Record holder Andy Green explains why the design of a superfast car can't just be done in a computer.

Almost 600 plant species have been lost from the wild in the last 250 years, according to a study.

A forest that lies at the heart of India's bustling city is under threat, locals say.

BBC One presenter Hugh Fearnley-Whittingstall investigates what we can all do to reduce our use of plastic.

One of the fertility treatment's pioneers believed Jean Purdy made an equal contribution, letters reveal.

The French were probably sipping wines we drink today 900 years ago, according to DNA from old grapes.

A school in Nigeria is accepting empty plastic bottles in exchange for payment of school fees.

Evidence points to a 1.2-billion-year-old impact structure lying hidden off Scotland's north-west coast.

South Korea's dogs have to go for walkies in some of the worst air in the developed world.

Engineers in Canada have devised a machine they say can clean small pieces of plastic from Hawaii's "Trash Beach".

Snow may have caused travel issues in Australia, but these Tasmanian Devils have had fun.

A proposed European Union satellite mission could have major benefits for agriculture.

The US space agency says it will allow tourists to visit the station from 2020.

Antarctic glaciers are named after the spacecraft that revolutionised our understanding of the continent.

Special protections are planned for minke whales and basking sharks in their feeding grounds around Scotland.

Animals have long been used for military purposes, but could marine creatures also act as sensors?

The chancellor warns the PM that reducing greenhouse gas emissions to net zero by 2050 could lower public spending.

A carving believed to be about 12,000 years old has been discovered in south-western France.

The technology is designed to cut down queues, and lose the annoyance of removing liquids from bags.

Scientists studied elite events, including a 3,000 mile run and the Tour de France.

New York might become the first US state to ban cat declawing - but it's been illegal in Europe for years.

UK bills are inflated partly because households are subsidising nuclear submarines, MPs are told.

The president's views appeared unchanged after meeting environmentalist Prince Charles.

How an RAF squadron on a Scottish island helped to get weather data that saved the D-Day landings.

China, Indonesia and Vietnam are among the worst polluters for plastic waste being dumped in the ocean. Meet the women in those countries trying to change that.

An invasive "killer shrimp" that has reached UK rivers could be altering the behaviour of other species.

It is packed with millions of living cells to mend damage after a heart attack, say researchers.

This Mexican researcher hopes her invention can help replace single-use plastics.

The BBC was given access inside Porton Down, where some of the world's deadliest viruses are researched.

Twin girls had their DNA altered to protect against HIV - but their mutation may increase the risk of an early death.

Theresa May will raise the issue of climate change with Donald Trump during his upcoming visit to the UK.

The proposed motorway has been called an "attack on nature" by some and a "godsend" by others.

Have we found some of the technologies that can finally help us survey Earth's unknown depths?

The TechDemoSat spacecraft deploys a large membrane to pull itself out of the sky.