BBC

A selection of pictures from our readers on the theme of "garden creatures".

Could human challenge trials speed up the development of a coronavirus vaccine?

Sir Mark Walport says, unlike smallpox, coronavirus will not be eradicated by vaccination.

Today is Earth Overshoot Day, when scientists say we've used all the resources the planet can produce in 12 months.

The aim is to reduce insect-borne diseases but environmental groups warn of unforeseen consequences.

The snake, bird and cat, from Swansea University's collection, are at least 2,000 years old.

In a record breaking 2019, Greenland lost enough ice to cover the UK with over 2m of melt water.

Fossilised leaves suggest some plants may adapt to grow more quickly as CO2 levels rise.

The Nuclear Decommissioning Authority says the Dounreay facility will be ready for redevelopment by 2333.

The crisis left at least 12 dead and exposed tens of thousands of children to lead poisoning.

As Donald Trump pushes forward with plans for drilling in the Alaskan wilderness, what is at stake?

Fragments of stone engraved with abstract designs are the earliest art in the British Isles.

Huge dam projects that came on stream in the 1970s substantially slowed the rate of sea level rise.

A new UK target will be set to protect people from the effects of breathing in tiny particles.

Government is consulting industry on technology which can take control of a vehicle at up to 70mph.

Satellite images capture tug boats trying to remove the broken vessel, which spilled tonnes of oil.

Covid-19 is not like other typical viral respiratory diseases and has some unique features, say experts.

The Death Valley just saw one of the highest temperatures ever recorded on Earth - 130F (54.4C)

There are 12-21 million tonnes of tiny plastic fragments floating in the ocean, scientists say.

Crew members say there was a birthday party on the ship the day it ran aground, according to police.