BBC

Pollution from many popular diesel cars is much worse when it is colder than 18C outside, new research suggests.

In June 1997, astronauts on the Russian space station Mir faced disaster after the worst collision in the history of manned space flight.

Milder winters have contributed to a significant drop in greenhouse gas emissions across the EU over the past quarter of a century.

British astronaut Tim Peake describes his dramatic journey home to Earth from the International Space Station.

Tim Peake says he would go back into space "in a heartbeat" after his six-month mission to the space station.

Iceland's fishing minister says the country would "never join the European Union" because the industry is thriving outside the bloc.

Temperatures around the world are rising faster than scientists can develop varieties that can cope with a warmer world, according to a new study.

Night-time vision evolved millions of years ago in early mammals, a study suggests.

Andy Green says a new source of funding means preparations to run the Bloodhound 1,000mph supersonic car in South Africa next year can resume.

The 93 petaflop Sunway TaihuLight in China has topped a newly published list of supercomputers.

Solar Impulse 2 sets off from New York to cross the Atlantic, one of the toughest stages of its attempt to fly around the globe using solar energy.

British astronaut Tim Peake has said he is elated to be back on earth after six months onboard the international space station.

President Barack Obama draws attention to the dangers of climate change while on a visit to Yosemite National Park in California.

Footage shows the descent of UK astronaut Tim Peake and two other crew members as they touched down in Kazakhstan.

UK astronaut Tim Peake is safely back on Earth after a historic mission to the International Space Station.

British astronaut Tim Peake has boarded the spacecraft that will return him to Earth following an historic six-month mission to the space station.

Ocean experts call for international action to generate the kinds of maps of global seabeds that space missions have already returned for the Moon and Mars.

A horde of giant spider crabs has amassed in waters near Melbourne. Australian aquatic scientist Sheree Marris filmed this incredible footage.

Arctic sea-ice may have hit a record low in May but that does not mean September will set a new minimum mark, say polar experts at Reading University, UK.

A crater on Mars is named Langtang, in tribute to one of the worst-hit villages during the 2015 Nepal earthquake.