SCIENCE

London, Manchester and Glasgow all have lower air quality lower than the minimum set by the World Health Organisation.

The existence of such a planet, which is the largest in comparison to its companion star ever discovered, was thought to be extremely unlikely.

Russian space agency Roscosmos has contracted the development of a nuclear powered satellite that can fire lasers at other satellites.

This comes as the Elon Musk-owned company keeps up its blistering launch pace and seems on course to achieve the goal set by SpaceX president Gwynne Shotwell earlier this year.

Fresh industry assessment points to a significant decline in the cost of solar and wind power projects.

The impacts are disproportionately felt by vulnerable communities in low and middle income countries, according to a report compiled by a collaboration of 26 leading institutions.

Event took place more than 3,000 years ago and might help to explain a cryptic passage in the Bible.

Concentrations are now at their highest for 800,000 years, which could lead to "severe ecological and economic disruptions", according to a new report.

The surface of Mars suggests that it was moved around and formed by flowing water, but there has never been enough water on the planet to do this.

The dinosaur fossil, which was found in the South of France, is believed to be a primitive cousin of Iguanodon and has been named Matheronodon provincialis.

Nasa's Halloween playlist includes eerie radio emissions from Saturn to hair-raising sounds from Jupiter's largest moon Ganymede.

Nasa's Juno mission has been hard at work collecting data for scientists to study. Here are a few revelations that Juno has made over the last few months.

Is it possible to live an ordinary life, hold down a job, travel, shop and eat in London without throwing away any plastic?

Unseasonally warm and sunny October draws to a close with the arrival of freezing temperatures.

The atmosphere on the darker side of hot exoplanet Kepler-13Ab was found to experience snowing in the form of titanium oxide.

The mission was launched to provide useful insights into how our planet is changing with the movement of water, ice, and solid Earth components.

There are several observatories and space missions that are dedicated to observing the sun and studying space weather.

Astronauts living in the International Space Station spoke to Pope Francis in a unique and harmonious exchange of science and religion.

The week's best news and sports photos, from autumn and Halloween to the King of Thailand's funeral and the end of the sieges of Raqqa and Marawi.

The 5.5 metre-long Jurassic ichthyosaur is believed to be one of the most complete skeletons of its kind ever found in India.

Ceres is the largest rock in the asteroid belt and one of the candidates for finding life in the solar system.

The December mission will mark the first flight from the refurbished launch pad SLC-40 since the explosion.

Harlequin ladybirds are the UK's fastest invading species and are larger and more aggressive than more commonly found types.

The colour patterns of dinosaurs resemble those seen in many modern animals, helping them to avoid detection by both predators and prey.

Previous eruptions triggered a volcanic winter that lowered global temperatures by 6 degrees Celsius, halting a period of natural global warming.

The comet entered the Solar System travelling at a speed of 26 Kms per second and may have come from the constellation Lyra, where the bright star Vega resides.

Sand dunes on Hellas Planitia have large, linear scratch marks on its sides at high latitudes.

The latest generation of the RoboBee has potential uses ranging from search-and-rescue operations to environmental monitoring and biological studies.

New research has re-examined the skull, which was first discovered 12 km inland from Papua New Guinea's north coast in 1929.