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Cement is the source of about 8% of the world's carbon dioxide emissions. How can this be changed?
Posted: December 17, 2018, 4:21 pm
The supersonic vehicle could still race at 1,000mph after an entrepreneur bought the business.
Posted: December 17, 2018, 3:17 pm
The flying reptiles had feathers, and looked like brown bats with fuzzy wings, say scientists.
Posted: December 17, 2018, 3:17 pm
Dozens of well-preserved dinosaur footprints from at least seven species have been uncovered.
Posted: December 17, 2018, 3:12 pm
Nearly 200 nations agree rules on implementing 2015 Paris agreement at UN climate talks in Poland.
Posted: December 16, 2018, 8:28 am
The BBC's Matt McGrath looks back at key developments at UN climate talks that have ended in Poland.
Posted: December 16, 2018, 1:13 am
Councils will have to offer separate food caddies in a bid to combat methane emissions.
Posted: December 14, 2018, 7:40 pm
It took five weeks of round-the-clock treatment to keep Benedicte alive after her mother died.
Posted: December 14, 2018, 4:12 pm
When the US space agency's next rover gets to Mars in 2021, it will seek evidence of ancient life.
Posted: December 14, 2018, 12:16 pm
Virgin Galactic's SpaceShipTwo rocket ship has made a successful test flight, 82.7km above the Earth's surface.
Posted: December 14, 2018, 9:43 am
Scientists have already planned the route Nasa's next robot will drive when it lands on Mars in 2021.
Posted: December 14, 2018, 4:06 am
Studying ice cores on a small island in the South Atlantic will help us understand why Antarctica's glaciers are melting.
Posted: December 14, 2018, 12:42 am
Nasa's Juno mission to Jupiter has reached its halfway mark and revealed spectacular views of the planet's polar storms.
Posted: December 13, 2018, 6:52 pm
The latest test flight by Sir Richard Branson's Virgin Galactic makes it to the edge of space and back.
Posted: December 13, 2018, 6:26 pm
Astronaut Nick Hague is ready for his next space flight attempt, after the first mission was aborted.
Posted: December 13, 2018, 3:15 pm
Stunning images from Nasa's Jupiter "JunoCam" show huge, "endless storms" at the planet's poles.
Posted: December 13, 2018, 12:27 pm
UN secretary general tells climate negotiators in Poland that failure to make progress would be a desperate blow for the planet.
Posted: December 13, 2018, 8:22 am
Having become the closest-ever human-made object to our star, the Parker spacecraft returns its first data
Posted: December 12, 2018, 11:16 pm
Snowy mountain winters are being squeezed into shorter periods, threatening water supplies and increasing wildfire risk.
Posted: December 12, 2018, 7:49 pm
Cosmonauts have cut samples from around a hole, which Moscow says may have been caused by a drill.
Posted: December 12, 2018, 9:19 am
With around 23 billion chickens on the planet at any one time, the bird is a symbol of our times, say scientists.
Posted: December 12, 2018, 3:20 am
One of the most powerful Earth observation tools ever put in orbit is now gathering data about the planet.
Posted: December 11, 2018, 9:14 pm
Scientists are getting closer to understanding the damaging tsunami that struck Sulawesi in September.
Posted: December 11, 2018, 12:01 am
Having dug and drilled into the Earth, scientists can now estimate how much life exists at depth.
Posted: December 10, 2018, 3:08 pm
The UK claims to be a leader in climate change - but is it?
Posted: December 10, 2018, 1:10 pm
A global effort to digitally record millions of fossils is set to transform the study of evolution.
Posted: December 9, 2018, 6:35 pm
Scientists have rebuilt a terraced house inside a laboratory to help make UK homes energy-efficient.
Posted: December 4, 2018, 12:02 am
As representatives gather in Poland for talks on climate change, we look at how hot the world has got and what can we can all do to tackle global warming.
Posted: December 2, 2018, 12:14 am
Illness, warmer waters and the fact that pilot whales travel in sociable groups could all play a role.
Posted: November 30, 2018, 3:31 pm
Our reliance on technology means a violent storm on the Sun could have serious effects.
Posted: November 22, 2018, 1:55 am
Caroline Herschel discovered eight comets - one was named after her - but her work is less known about than her brother William's.
Posted: November 21, 2018, 7:31 am
Sainsbury's is the first UK supermarket to stock edible insects - but just how tasty are they?
Posted: November 19, 2018, 1:22 pm
Farwiza Farhan on efforts to protect the forests where orangutan, rhinos, elephants and tigers co-exist.
Posted: November 18, 2018, 12:05 am
Sophia Jex-Blake was a pioneer of women's education on her way to be Scotland's first female doctor.
Posted: November 16, 2018, 1:00 am
This living laboratory could hold the key to controlling malaria and other conditions.
Posted: November 14, 2018, 1:33 am
Hollywood director Ron Howard talked to the BBC about creating a realistic depiction of the first human colonies on Mars.
Posted: November 6, 2018, 12:00 am

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