BBC News

Egyptologists are still learning about his life and treasures a century after his tomb was opened.

Nearly 100 species of sharks and rays were added to an international treaty which experts say will help control trade of their meat and fins.

The "bin chicken" has figured out how to eat one of the few animals locals hate more - cane toads.

The coin bearing the name of Sponsian was considered apocryphal and had been locked away in a museum cupboard.

A British man is one of 17 new recruits to Europe's space agency's astronaut training programme

In December nearly 200 countries will meet in Montreal, Canada to agree a landmark deal to save nature.

A large Adélie penguin population off Antarctica has fallen by 43% over the past decade.

Campaigners say they have found superbugs in rivers and waterways near farms and in livestock waste.

The European Space Agency considers a plan to collect solar energy in orbit and beam it to Earth.

Nasa's Orion capsule sweeps past the Moon before entering into a larger orbit.

Russia's invasion of Ukraine has crystallised the need for clean, renewable energy in Germany.

Rich nations will pay climate damages, but the final deal does not cut fossil fuels further.

The biggest win on climate since the Paris Agreement in 2015... or the biggest loss?

Clashes over cash for poor countries are dominating as talks at COP27 run into the weekend.

There are signs that a breakthrough on a potentially historic deal at a summit in Egypt is within reach.

Nasa research engineer Berhanu Bulcha is working on locating the vital liquid under the lunar surface.

A senior official tells the BBC the Artemis missions will lead to astronauts living on the Moon.

Countries are struggling to agree on how to compensate poorer nations badly affected by climate change.

More sharks are to be given protection from over-exploitation in what's seen as a conservation milestone.

Scientists say capturing footage of the black-naped pheasant-pigeon was "a moment you dream about".

A tide of plastic debris from all over the world has washed up on Ascension Island, say researchers.

Nasa launches the most powerful rocket in its history as it kick-starts efforts to get humans back to the Moon.

A lack of government investment in an animal disease lab is a threat to safety, a report says.

Women barely feature in negotiations in Egypt despite bearing the brunt of climate change.

A climate-change resistant Red Sea reef is being flooded with toxic wastewater, leaked documents show.

Young campaigners say they are calling out "greenwashing" at COP27 from the inside.

There are fears the commitment to a key warming limit may soften as nations seek agreement in Egypt.

Changes to our planet's shine is just one of the stranger side effects of rising temperatures.

How the BBC uncovered gas flaring in an Iraqi oil field, where locals are showing a high rate of cancer.

The US president also defends his country's climate leadership at the UN summit COP27.

Leading scientists and businesses have said that cuts to the government's research risks "stalling" efforts to make the UK a science superpower.

There is a 50% chance dangerous warming limit will be breached in nine years, experts say.

Chief executive of leading oil company is registered for COP27 as a delegate from poor African nation.

Political tensions mean both nations have been shut out of the EU's prestigious Horizon programme.

Suspects are almost 25% more likely to be charged for crimes in urban areas than the countryside.

Data shared exclusively with the BBC show large numbers of oil and gas lobbyists attending COP27.

Indigenous people warn of risks to the Okavango Delta, and an ex-bishop calls on COP to take action.

Demonstrators in Amsterdam stopped private jets taking off ahead of the UN Climate Change Conference.

India wants to embrace an environment-friendly lifestyle to fight climate change - but what about its economy?

The government sees them as a way to lessen the impact of a lack of rain but some farmers are wary.

Giving up means "consigning us to a watery grave" Bahamas PM tells UN climate summit COP27.

Record rainfall in a country used to sun is making many people low and anxious.

It was visible from North America and the Pacific - but Europe will have to wait until 2025.

Rishi Sunak tells the COP27 summit in Egypt a greener planet is possible and there "is room for hope".

Progress is being made on systems to make hydrogen more economical to store and transport.

At COP27, Pakistan calls for help after floods linked to climate change left millions homeless.

The PM will urge world leaders at the COP27 summit to deliver on promises to tackle global warming.

This year's climate summit comes amid spiralling energy costs and diplomatic tensions.

Rishi Sunak faces criticism on climate policy as he travels to the COP27 summit in Egypt on Sunday.

Egypt urges nations to turn pledges into action as the UN climate conference opens.