A Soyuz TMA-20 spacecraft carrying astronauts from the US, Russia and Italy blasted off from Kazakhstan heading towards the International Space Station.

UN climate change talks in Cancun, Mexico, close in on a compromise that deepens carbon emission cuts and sets up a fund to help poor nations.

Nasa again delays the launch of the space shuttle Discovery on its final mission to the International Space Station.

With international climate talks undeway in Cancun, the Science museum is opening a new gallery on climate science.

Three astronauts aboard the Russian spacecraft Soyuz have touched down safely in northern Kazakhstan after spending five months aboard the International Space Station.

At least 30 genes appear to play a role in the age at which girls reach puberty, according to an international group of scientists.

An international summit opens in Russia with leaders aiming to agree moves to double the number of tigers in the wild.

Astronauts take a spectacular nighttime picture of Italy from the Cupola observation deck of the International Space Station.

Russian cosmonauts have carried out a six-hour spacewalk at the International Space Station.

Former astronaut Jeff Hoffman commemorates 10 years of life on the International Space Station

An international biodiversity summit in Japan agrees a 10-year plan aimed at preserving nature, but conservation groups fear the deal is too weak.

Demand for high-value woods in China is driving rampant illegal logging in Madagascar, an international study has concluded.

The UK should create a new ministerial post for green economics, urges an international policy group that includes MPs past and present.

Tensions are on the rise at a UN biodiversity meeting as a one-stop international body on biodiversity science is debated.

Jane Smart, of the International Union for the Conservation of Nature, explains how the human race is dependent for its survival on biodiversity.

A pig that sparked an international media furore when it escaped from a slaughterhouse has died at the age of 13.

A Soyuz spacecraft carrying two Russian cosmonauts and an American astronaut docks with the International Space Station.

A Soyuz spacecraft carrying two Russian cosmonauts and an American astronaut leaves Earth bound for the International Space Station.

On Friday morning, a Russian Soyuz spacecraft will launch from Baikonur on the Kazakstan steppe, heading for the International Space Station.

The delayed Soyuz capsule carrying a US astronaut and two Russian cosmonauts has landed safely back on earth after six months on the International Space Station.

Three crew return to the International Space Station after the Russian spacecraft due to take them home fails to undock.

An international meeting to try to prevent the Arctic becoming the next battleground over mineral wealth gets under way in Moscow.

The UK officially opens its first station in a new international radio astronomy antenna network called Lofar.

An international research team makes the case that stone tools from the Arabian Peninsula and India point to humans coming "out of Africa" earlier than has been thought.

The crew of the new Soyuz TMA-M mission to the International Space Station have begun the final part of their training ahead of the October 7 launch.

Hurricane Igor has been pictured from the International Space Station as it passed over the northeast coast of South America.

More than a third of freshwater turtle species are now threatened with extinction, Conservation International says.

The UN's climate science body needs fundamental reforms to the way it is managed, an international review has concluded.

An international review of the "processes and procedures" used by the UN's climate science panel is set to deliver its report on Monday.

A coalition of 10 NGOs urges the International Whaling Commission to persuade the World Health Organization to act over fears about eating whale meat.