BBC News

Alex Batty, who was missing for six years, has returned to the UK, Greater Manchester Police says.

Three hostages were mistakenly killed in Gaza on Friday by Israeli troops in an area of intense fighting.

The military said the three men were shot and killed by troops who were operating in northern Gaza.

Scientists are assessing how exposure to different kinds of air pollution impacts the brain.

You don't need a telescope to catch what has been dubbed one of the year's most reliable meteor showers.

Find out how the world's major economies are doing on cutting their emissions and what lies ahead.

US prosecutors say the pair sold birds that they shot on a reservation in Montana.

Scientists use a radar satellite to take a "tape measure" to the world's biggest block of ice.

Artificial intelligence helps people identify what animals they are looking at and aids conservation.

Climate reporter Esme Stallard breaks down the COP28 climate summit agreement - in less than a minute.

The deal agrees to 'transition away' from fossil fuels for the first time but falls short of phasing them out.

The latest climate change summit followed a year of weather extremes and broken temperature records.

Is the climate agreement enough to keep global temperatures in check?

The summit had appeared close to calling for a phase-out of fossil fuels but made last-minute changes.

Experts had expressed grave concerns for the 15m-long animal after it came dangerously close to shore.

Three mothers from different continents say their love for their children has motivated them to take climate action.

Many see hydrogen as the green fuel of the future so underground deposits of the gas could be valuable.

Diseases like dengue fever could be common if little is done to tackle climate change, report warns.

Scientists marvel at the fossilised head of an underwater 'killing machine' from the Jurassic.

Turks and Caicos Islanders are helping protect the reef from the deadliest ever coral sickness.

Will the transition to a new clean energy system happen quickly, or will we fry the planet first?

The UN climate talks turn to oceans and a Pacific islander is here to fight for her home.

Remains of baby dinosaurs inside another dinosaur reveal what a young predator ate 75m years ago.

Amid all the doom and gloom on climate change, there are some good reasons for cautious optimism.

Anna Mani, one of India's first women scientists, broke barriers to blaze a trail in meteorology.

The Dendrobium orchid is sacred to Taiwan's Tsou tribe, but it is getting harder and harder to find.

Extreme weather and a range of economic hurdles are affecting the region's flourishing apple trade.

COP28 host country the United Arab Emirates is "cautiously optimistic" on a deal to at least reduce them.

The world is well off track to limit warming to 1.5C, but there have been some encouraging steps.

Over 2,400 participants are linked to coal, oil and gas, four times more than attended last year's gathering.

An injured owl in the Russian city of Smolensk has the good fortune to end up outside a fire station.

A Sheffield school is fighting dirty air with trees as new data links their absence to pollution.

Leaked papers suggest United Utilities logged dozens of incidents as less serious than they had been.

The head of the UN climate talks in Dubai says "everything" he is doing is centred on science.

The UK's polar research vessel visits A23a, an iceberg that's more than twice the size of London.

A record number of female students have started an agriculture course at Borders College.

Forecasters are continuing to offer more real-time updates and personalised recommendations.

The death of a fan at a Taylor Swift concert in Rio during throws up challenges for tour promoters.

As leaders gather in Dubai for the UN climate summit, experts say global warming is having a profound effect' on health.

Engaging with climate sceptics can be a challenge - but some people are trying to change their minds.

The state oil company Adnoc is set to be the world's second biggest producer, analysis shows.

Fewer swimming spots are rated "excellent" and more rated "poor" by the environment watchdog.

Rising temperatures are putting the health of endangered mountain gorillas at risk.

Thursday was the last day the public were able to see Tian Tian and Yang Guang before they are returned to China.

COP28 president Sultan al-Jaber pulled off an unexpected victory securing long-awaited climate disaster help.

The next-generation vehicle conducts a hot-fire test on its launch pad in French Guiana.

They arrived like rock stars 12 years ago and their love life was the source of endless speculation.

The big issues facing global leaders gathering for the world's most important climate summit.

Astronomers hope to learn how its six planets formed and whether any of them are home to life

A BBC report said the UAE planned to use its role as host of UN climate talks to strike oil and gas deals.