BBC News

The onboard atomic clocks that drive the satellite-navigation signals on Europe's Galileo network have been failing at an alarming rate.

Temperature data for 2016 shows it is likely to have edged ahead of 2015 as the world's warmest year.

A smartphone attachment that analyses DNA could help improve cancer and tuberculosis treatments.

The moth, which has a wingspan of just over a centimetre, was discovered in California.

The payment to the UN Green Climate Fund was announced three days before Donald Trump takes office.

A technique designed to help parents affected by genetic disorders is used to tackle infertility.

UK engineers finish the assembly of a wind-observing satellite that meteorologists expect to have a major impact on weather forecasts.

Aerial video shows a huge ice crack which is forcing British Antarctic Survey staff to leave their base.

Documentary maker reflects on the life of astronaut Gene Cernan, following his death.

Video footage showing snow leopards and common leopards sharing the same habitat causes alarm.

Common leopards could be moving to higher altitudes on the Tibetan plateau.

US astronaut Gene Cernan, commander of Apollo 17, has died, his family and Nasa announce.

A giant wave in the atmosphere of Venus may be the biggest of its kind in the Solar System.

The incoming Trump administration accepts far more of the research on climate change than many of their political supporters, say British scientists.

The British Antarctic Survey is pulling all staff out of the space-age Halley base in March because of a big crack in nearby ice.

Flames from an exploding battery were put out in less than half a second during tests.

Prince Charles co-authors a book for adults in the style of the well-known children's series.

SpaceX successfully launches a rocket, its first mission since an explosion in September.

The US SpaceX rocket company resumes operations after a launch pad explosion in September.

The trade in caged birds poses a risk to native species if birds manage to escape, research suggests.

Plans for a £1.3bn tidal lagoon off Swansea are backed in a government-commissioned review.

By studying the long lives of killer whale families, researchers say they have solved the evolutionary mystery of the menopause.

A gibbon living in the tropical forests of China is a new species of primate, scientists say.

Scientists say they have solved the mystery surrounding a sea creature that lived more than 500 million years ago.

Millions of women have no problem with the pill but some find it shatters their mental health. Here The Debrief's Vicky Spratt describes years of depression, anxiety and panic.

A camera attached to the neck of a female polar bear shows two bears breaking through ice sheets to hunt for prey.

Blind mice regain partial vision after stem cell reprogramming

Scientists have found a new species of gibbon living in the tropical forests of south west China.

Scientists decode "dog-directed speech" - and they find puppies respond but older dogs ignore it.

A male Japanese monkey has been filmed trying to mount and mate with a Sika deer.

Targets on CO2 will continue despite a climate change sceptic becoming president, a UK minister says.

Indigenous groups and river dwellers are battling the government and big corporations over the huge dams being built to meet Brazil's energy needs.

A warming world is harming insects ability to reproduce, which could have long-term consequences, scientists warn.

Critically endangered chimpanzees in Ivory Coast craft extra-absorbent drinking sticks, researchers observe.

Scientists believe they have established the identity of a "missing element" in the Earth's core.

Critically endangered chimpanzees craft absorbent drinking sticks, remote cameras reveal.

Renewable energy will continue to grow in the US despite the antipathy of the incoming Trump administration.

Scientists say mothers hold babies on the left to help in bonding - and this is not unique to humans.

Scientists discover a 'clear signal' of urbanisation in the evolution of organisms around the globe.

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.