BBC

People will have to pay a returnable deposit on bottles, cans and disposable cups in a new strategy.

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.

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

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

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

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

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

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

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

People will have to separate their food waste to combat methane emissions

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.

Scientists have already planned the route Nasa's next robot will drive when it lands on Mars in 2021.

Studying ice cores on a small island in the South Atlantic will help us understand why Antarctica's glaciers are melting.

Weary delegates enter the last official day of UN climate talks with many critical issues undecided.

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

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

Check the environmental impact of what you eat and drink.

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