BBC News

President Putin took part in the military exercise, the Kremlin said.

Some of the 500 species of spiders that live in Wales are found almost nowhere else in the world.

A dinosaur from China had a "bandit mask" pattern in the feather on its faces, fossil analysis has shown.

The 'world's fastest car' goes through its first public tests ahead of a land speed record attempt.

The British-led Bloodhound vehicle carries out some slow-speed trials in Newquay, Cornwall.

The person is likely to have died in Papua New Guinea about 6,000 years ago, scientists say.

Neil MacGregor explains how an extraordinary journey was made possible by the largest silver objects ever produced.

The fossil, which is 152 million years old, is the first ichthyosaur found in India.

Hundreds of thousands of fish are being taken out of one of the Midlands' largest reservoirs.

The studies could lead to new treatments for inherited diseases.

Leprosy found in red squirrels is also found in pre-Norman bones in Suffolk and Scandinavia.

Aberystwyth University scientists work to make manmade sea defences a better home for Nature.

An exec producer of Blue Planet II reveals why not all of the series was filmed in the wild.

An interview with Lord Lawson should have been challenged, the corporation's complaints unit says.

We need to be more concerned than ever about how society uses scientific discoveries, says Venki Ramakrishnan.

In parts of southern Africa drones are being used to protect elephants and rhinos from poachers

US astronaut Paul Weitz, who helped save a Nasa space station after it was damaged during launch, has died aged 85.

Marine archaeologists say the object - discovered off the coast of Oman - is an astrolabe.

The story behind a small ivory sculpture that was carved 40,000 years ago.

Nicaragua signs the Paris agreement, leaving only two countries not supporting it.

Stephen Hawking's PhD thesis, written as a 24-year-old, was made available to the public on Monday.

The great naturalist tells our science editor David Shukman why he'll never tire of his work.

The eight-year study finds infant sea creatures will be especially harmed by more acidic oceans.

Why one of the Earth's most remote places is the preferred place to dump space junk.

What's it like to live somewhere like Beijing, where you can even see pollution with the naked eye?

Researchers investigate how dogs change their expressions in response to their owners.

Vets in Colombia are nursing a tiny spider monkey back to health.

Prof Joanna Haigh from Imperial College London explains why this gas has played a crucial role in shaping the Earth's climate.

Flying insects have declined by more than 75% in 30 years in German nature reserves, alarming ecologists.

Animals were transported from as far away as the north east of Scotland to the Neolithic site in Wiltshire.

A shocking image of a dehorned black rhino makes Brent Stirton Wildlife Photographer of the Year.

New research casts doubt on the idea that dogs are naturally more tolerant and friendly than wolves.

Scientists convert the gravitational wave signal from merging neutron stars into sound.

Scientists detect the warping of space generated by the collision of two neutron stars.

The Saetereng family are trying to live a sustainable lifestyle in Akkarfjord, northern Norway.

World Land Speed record holder Andy Green describes the sensation of starting up the Bloodhound supersonic car for the first time.

The ‘Seabin’ can collect the equivalent of around 83,000 plastic bags a year.

A year in school adds nearly a year to your life, study in Edinburgh shows.

Sentinel-5P lifts off from Russia to make 20 million daily observations of pollution across the globe.

A US space agency satellite provides new insights on how CO2 is moved through Earth's atmosphere.

Only two chicks survived in a colony of 36,000 in a "catastrophic" breeding season in east Antarctica.

Fitted with a body camera, a sewer engineer tries to remove a blockage.

What will it take to build the ultra-fast internet of the future?

The changes are part of the Clean Growth Plan to reduce the UK's greenhouse emissions.

Rising global emissions of some chemicals could slow the progress made in healing the ozone layer.

A house-sized asteroid passes close to Earth, allowing scientists to rehearse future strike threats.

An Antarctic ice shelf is shown to have a deep gorge cut in its underside by warm ocean water.

Past mass extinctions have the potential to guide modern conservation efforts, say scientists.

A team of British scientists flies around Iceland's volcanoes to find out how to avoid future air traffic disruption.

We continue to buy new clothes at an incredible rate. How can manufacturers reduce fashion's environmental footprint?