BBC

DNA from historical museum specimens may help save the giant salamander from extinction in the wild.

Dozens of students say they were "traumatised" by investigations that left them feeling unsafe on campus.

Why is there a shortage of the precious gas and how is it affecting firms?

The deep thinning in Earth's protective atmospheric layer is not as extensive as it normally is.

A smoky haze has blanketed the region, an annual phenomenon that affects millions of people.

The UK should advance its climate targets by 10 years, says the UK’s former chief scientist.

Jordan is one of the countries most affected by rising temperatures – and it’s predicted to get worse.

They get a bad press compared with bees and beetles, but wasps are truly remarkable creatures.

It's the most powerful greenhouse gas you've never heard of, and levels in the atmosphere are soaring.

Fertility experts find that the left testicle is warmer, but only when a man has his clothes on.

Survey finds many common species of butterfly enjoyed a good summer this year.

One of Europe's largest dolphin populations needs special protection, say scientists measuring marine pollution.

The UK needs to move away from all single-use packaging, say MPs. But have supermarkets got the message?

The group staged a protest from a bridge in Texas ahead of the Democratic debate.

The co-founder of activist group Extinction Rebellion is among those held in "pre-emptive" raids.

A historic global agreement aimed at halting deforestation and curbing dangerous carbon dioxide emissions has failed, according to a report.

An amateur astronomer has discovered a comet that could come from outside our Solar System.

The male skeletons, buried in Roman times, have been holding hands for around 1,500 years.

Plans to restore ecosystems in the countryside will support landowners, its director says.

Scores of fires are raging across Australia's east coast, and the fire season has only just begun.