BBC

A visual guide to the wildfires ravaging California, Oregon and other western states.

A professor has won £2.3m for applying complex maths to simple situations - like stirring tea.

Pollutants still blight all of England's rivers, lakes and streams, the Environment Agency says.

A team of scientists say this explains why those stung feel intense pain lasting for days or even weeks.

The 2020 Ig Nobel prizes honour crocodilian vocalisations, narcissistic eyebrows and vibrating worms.

Using sound waves from underwater earthquakes, researchers can more accurately measure sea temperatures.

Scientists say wildfires in Siberia, Russia, have been releasing record amounts of greenhouse gases, contributing to global warming.

Renewable energy study looks into the secrets of the rocks on which the city's east end stands.

Scientists calculate how many tiny fibres our polyester and nylon garments lose in the wash.

Although marketed as a green option, the cars cause more polluting than is claimed, campaigners say.

Conservation experts urge the prime minister to take a lead on reversing the decline in nature.

Grants will promote ideas to detect, characterise and track the millions of objects moving overhead.

The ancient bear, unearthed by reindeer herders, has been hailed as a find of "great importance".

Humanity is at a crossroads and action is needed to slow nature's accelerating decline, says the UN.

Modified animals could improve sustainable meat production, but safety and ethical issues remain.

A full-size, crewless research ship is to make one of the world's first autonomous transatlantic voyages.

With interest in the possibility of life at Venus, there's an imperative to get more spacecraft to the planet.

Telescope observations spy a gas high in the atmosphere of Venus that on Earth is made by microbes.

The technology giant has also pledged to be using only carbon-free energy by 2030.

At least one humpback whale remains in the Australian river after getting lost.