BBC News

They've blocked bridges, protested outside the BBC, held die-ins and closed roads - all in the name of stopping climate change.

Environmentalist Jason MacGregor and his partner aren't having children because they don't want to add to human-made climate change pressures.

Plants have been on the planet for hundreds of millions of years – but we’re still discovering new ones.

The InSight mission begins to lay out the sensors that will listen to the Red Planet's "heartbeat".

The new Office for Environmental Protection will have similar enforcement powers to EU regulators.

Thrill-seeking tourists are putting themselves in danger getting too close to volcanoes.

The US space agency says cyber-thieves may have compromised two of its computer servers.

The entrepreneur says his system will see modified electric cars travel at high speed underground.

A car made from waste plastic has been forced to abort its mission to the South Pole because of bad weather.

A university in Finland has invented a process to turn waste wood into material for clothing.

Ex-Pluto spacecraft New Horizons maintains the trajectory taking it to its next dramatic encounter.

Seal pups across the UK are "at risk" from man-made toxic chemicals present in their mothers' milk.

More people will also get food waste caddies, as part of plans for England to make recycling less confusing.

Cement is the source of about 8% of the world's carbon dioxide emissions. How can this be changed?

The supersonic vehicle could still race at 1,000mph after an entrepreneur bought the business.

The flying reptiles had feathers, and looked like brown bats with fuzzy wings, say scientists.

Dozens of well-preserved dinosaur footprints from at least seven species have been uncovered.

Nearly 200 nations agree rules on implementing 2015 Paris agreement at UN climate talks in Poland.

The BBC's Matt McGrath looks back at key developments at UN climate talks that have ended in Poland.

Climate talks are in an extra day as negotiators try to agree the next steps for the Paris agreement.

Rows continue over paying poorer countries for damages caused by rising temperatures.

Councils will have to offer separate food caddies in a bid to combat methane emissions.

It took five weeks of round-the-clock treatment to keep Benedicte alive after her mother died.

The likelihood of a deal at global climate talks in Poland has increased after a new draft text was released.

When the US space agency's next rover gets to Mars in 2021, it will seek evidence of ancient life.

Virgin Galactic's SpaceShipTwo rocket ship has made a successful test flight, 82.7km above the Earth's surface.

Nasa's Juno mission to Jupiter has reached its halfway mark and revealed spectacular views of the planet's polar storms.

The latest test flight by Sir Richard Branson's Virgin Galactic makes it to the edge of space and back.

Astronaut Nick Hague is ready for his next space flight attempt, after the first mission was aborted.

Stunning images from Nasa's Jupiter "JunoCam" show huge, "endless storms" at the planet's poles.

UN secretary general tells climate negotiators in Poland that failure to make progress would be a desperate blow for the planet.

Having become the closest-ever human-made object to our star, the Parker spacecraft returns its first data

Snowy mountain winters are being squeezed into shorter periods, threatening water supplies and increasing wildfire risk.

Cosmonauts have cut samples from around a hole, which Moscow says may have been caused by a drill.

With around 23 billion chickens on the planet at any one time, the bird is a symbol of our times, say scientists.

Climate change in the Arctic has caused the wild reindeer population to crash by 56%, a report says.

Frank Borman was the Commander of the Apollo 8 mission to the Moon. The astronauts took an iconic photo of the Earth rising above the lunar surface.

Protesters are frustrated by strict controls on protests at the UN climate summit in Poland.

One of the most powerful Earth observation tools ever put in orbit is now gathering data about the planet.

An art installation featuring 30 blocks of ice brought from Greenland has been unveiled in London.

The mystery hole in a Soyuz capsule docked to the International Space Station caused a pressure leak.

Thieves caused at least 60,000 litres of oil to spill into Rio de Janeiro’s Guanabara Bay.

Has President Macron's controversial fuel tax set back carbon taxes globally?

Nasa detects the first signs of significant melting in a swathe of previously quiet ice streams.

Scientists are getting closer to understanding the damaging tsunami that struck Sulawesi in September.

The ice streams that flow down the flanks of Asia's high mountains are moving slower as they thin.

Having dug and drilled into the Earth, scientists can now estimate how much life exists at depth.

Earth would be a frozen lump of rock without the energy created from our nearest star.

Voyager 2, a space probe launched in 1977, becomes only the second human-made object to enter the space between the stars.

The UK claims to be a leader in climate change - but is it?