BBC News

Trains that emit pure water could be in the UK by the "early 2020s", according to the government.

The chancellor says councils in England will get an extra £420m in his Budget to fix potholes.

The transport secretary says the government will back major development on the Oxford-Cambridge arc.

"Water cooler moment" as greener cooling idea is scaled up to help chill homes and buildings.

Caroline Lucas MP says that onshore wind energy is the cheapest. What are the figures behind her claim?

Work begins to exhume thousands of skeletons to make way for HS2 construction.

Some 45,000 skeletons are being removed to make way for a new station terminus.

Climate advisors say coastal communities must "get real" about the possibility of 1m sea level rise.

When the dinosaur-killing asteroid struck Earth, it made billions of tonnes of rock move like a fluid.

Many more children woke up to a voice-based alarm than a traditional one, a study found.

A new US study says that several low-cost technologies can be deployed right now to limit global warming.

Kurtis Baute spent 15 hours in an airtight dome to raise awareness about climate change.

The New Caledonian birds have surprised scientists once again with remarkable problem-solving skills.

Plastic items such as cutlery and straws would be banned in the EU under plans approved by MEPs.

The harpoon and axes were made from red deer antler by hunter-gatherers in Highlands in the Mesolithic period.

Planners are allowing edge-of-town housing estates where car travel is only option, researchers say.

Naree was illegally smuggled to Thailand and forced to perform in a circus.

Reducing our use of sand and cement cuts down on CO2 emissions and lessens the impact on the environment.

Nasa believes it has fixed a malfunction with the Hubble telescope which threatened to limit the orbiting observatory's performance.

Nasa has released a striking photo of a rectangular iceberg floating in the Weddell Sea off Antarctica.

A Greek merchant ship dating back more than 2,400 years is found almost perfectly preserved.

Riverford vegetable box boss says more focus should be on cutting carbon, not demonising plastic.

Overgrown mice are killing millions of chicks on the remote Gough Island in the South Atlantic.

Newly digitised pictures shine light on the first British reconnaissance trip to Everest, in 1921.

A deep-sea swimming sea cucumber has been filmed in the Southern Ocean off East Antarctica for the first time.

It was feared that Luzia, a 12,000-year-old fossil, had been totally lost in the Brazil fire.

The Poralia rufescens is swimming off the coast of southern California in the Pacific Ocean.

Europe and Japan celebrate the successful launch of a quest to visit the closest planet to the Sun.

The sci-fi plan would use giant mirrors in space to light city streets, but scientists are sceptical.

The bones, discovered on the site of an ancient river, are thought to be at least 130,000 years old.

The Environment Agency is probing claims exporters are abusing the recycled plastics market.

BepiColombo mission could shed light on space weather and history of our planet

A 150-million-year-old, sharp-toothed fossil is believed to be the world's oldest piranha-like specimen.

Twin brothers have been showing off the biggest pumpkin ever to have been grown indoors in the UK.

Oregon zoo posted images taken during routine health checks.

The solar-powered cooker that uses an alternative to charcoal.

Ian Kiernan's iconic anti-litter campaign, begun in Australia in the 1980s, became a global success.

A study of ancient dog DNA shows man's best friend has been at our side for at least 9,000 years.

Two snub-nosed monkeys sitting on a stone is the top shot at Wildlife Photographer of the Year 2018.

President Donald Trump goes on the attack after the Cherokee nation dismisses Elizabeth Warren's claim.

The manufacturer says the bags once disposed have a six-month lifespan.

Mount Vesuvius erupted on 24 August, 79 AD - or at least, that's what historians thought until now.

Meet the baby reptile that is shedding new light on the giants that lived at the time of T. rex.

The physical effects of being in space offer a unique insight into how our bodies work on Earth.

Ships are the lifeblood of global trade, but their fuel is highly polluting. What's the answer?

There's a looming crisis over the world's appetite for meat. This chicken nugget may be the answer.

Can chicken nuggets grown in a lab actually taste like... well... chicken? The BBC's James Cook put JUST's chicken to the test.

The project to race a car at more than 1,000mph runs into a financial roadblock, with the company behind the venture going into administration.

It is first time fracking has occurred in the UK since it was linked to earthquakes in 2011.

Rangers in Maryland help "Buckethead", three days after it is spotted with a plastic jar on its head.