BBC

At least 21 people die in the state of Rio Grande do Sul, with more flooding expected.

Around six billion tonnes of sand is dredged from the world's oceans every year, a new report says.

One person has died in Greece after torrential rain triggered flash flooding in parts of the country.

Opposition MPs and campaigners share "horror" at potential sewage spills on dry days uncovered by BBC News.

Three major companies released sewage on dry days in breach of their permits - BBC investigation.

A selection of the winning images from the 2023 Bird Photographer of the Year award.

The invasive insect threatens to get a foothold, with nests found in East Sussex, Kent, Devon and Dorset.

It is hoped the Vikram lander and Pragyaan rover will reawaken when the next lunar day starts.

Aditya-L1 will carry out scientific studies of the Sun from a vantage point 1.5 million km above Earth.

How young polar researchers in the UK are tackling the taboo subject of menstruation.

Looking like a pearl necklace, the object known as SN1987A is the closest star explosion to Earth.

The rare spectacle, not expected again until 2037, lit up the skies - here are the best views from around the world.

A photo of a stargazer fish is one of several highly commended in Wildlife Photographer of the Year.

One beekeeper who came to the rescue described a cloud of "angry, confused and homeless" bees.

More than 440,000 people are still without power as Idalia, now a tropical storm, moves into Georgia.

The charity says its frustration at environment plans "led us to attack the people not the policy".

The unusual lunar phenomenon can be observed around the world on Wednesday and Thursday.

The full Moon will be the largest and brightest of the year.

Pragyaan has had an eventful week - dodging craters, taking the Moon's temperature and checking for sulphur.

The government says removing EU-era pollution restrictions on developments could "unblock" 100,000 new homes.