BBC

A look at life inside China's most polluted city. Shijiazhuang is currently underneath a thick layer of toxic smog.

A south London road breaches its EU annual air pollution limit for 2017 in just five days.

The quality of forensic science work in England and Wales is putting the integrity of the criminal justice system at risk, the regulator warns.

A notorious egg thief is on the run after stealing bird eggs worth up to £5,000, after authorities in Brazil lost track of him.

One of the 10 largest icebergs ever recorded is ready to break away from Antarctica, scientists say.

Fossils of ancient plants shed light on how the family that includes crops such as potatoes evolved.

The UK's largest Antarctic research station which will be home to the ship nearly named Boaty McBoatface gets a £100m upgrade.

A seal is found in the back garden of a holiday home, 2km (1.2 miles) away from the sea.

The UK Ministry of Defence has officially awarded a £30m contract to produce a prototype laser weapon.

New research backs a controversial study that found there had been no slowdown in global warming.

Astronomers have pinpointed the source of mysterious radio bursts from space.

The government is "absolutely committed" to ensuring that British farmers have access to migrant workers after Brexit.

A two-week-old baby orangutan makes its public debut at Brookfield Zoo in Chicago.

Brexit poses a huge risk to the UK wildlife and habitats, a group of MPs says.

The UK's most famous dinosaur skeleton is on show for the last time ahead of nationwide tour.

Rebecca Morelle looks ahead to some of the big events in science expected in 2017.

Illegally traded endangered species that escape to form secondary populations offer opportunities for their long-term survival, a study suggests.

New Year fireworks contributed to high pollution levels in German cities, official figures suggest.

The world's oldest known killer whale, estimated to be 105 years old, is missing and presumed dead, researchers say.

Potentially disruptive volcanic ash clouds cross Northern Europe more frequently than previously thought, according to a new study.