BBC News

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.

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

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

Tim Peake is returning home after his Soyuz capsule made a crucial engine burn.

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.

Newly sequenced genomes of soil bacteria have led to questions about how differing land management affects the organisms' behaviour, on agriculture and emissions.

British astronaut Tim Peake is due back to earth six months after blasting off into space.

A massive population of giant spider crabs amasses in waters off the Australian city of Melbourne.

Biggest ever deep Atlantic exploration mission launched by UK scientists.

Criticism is made of the use of a UK-government-funded ice breaker to guide a luxury cruise in the Arctic, as worries grow over the environmental impact of tourists.

The Dead Sea is one of the great ecological treasures of the world but it is shrinking at an alarming rate, as Kevin Connolly reports.

Official figures released today by the Forestry Commission show that the government is falling far short of its own tree-planting targets

How UK astronaut Tim Peake will get back from the International Space Station (ISS).

A female tortoise in southern India is given a new lease of life after losing both legs.

Member states of the European Space Agency have reaffirmed their commitment to launch a rover to Mars in 2020.

Scientists announce the detection at Earth of another burst of gravitational waves coming from a black hole merger.

Jack Conway was working in a bog cutting turf when he came across a massive chunk of butter.

The BBC's Andrew Bomford dives more than 100 metres underwater in a submarine to see the wreck of the Britannic in the Aegean, where it sank in 1916.

As UK astronaut Tim Peake comes back to Earth, BBC News has compiled some of the best Esa videos from his six-month mission.

UK crops could potentially be "devastated" by an infestation of a species of moth arriving from continental Europe, scientists say.

Blood bags used as evidence in a major Spanish cycling doping scandal must be handed over to authorities for investigation, a court rules.

Scientists identify a completely new type of meteorite that likely originated in a huge asteroid collision some 470 million years ago.

Scientists have learned that cabbage and cauliflower crops could potentially be "devastated" by an infestation of moths from continental Europe.

The zoo in Georgia's capital Tbilisi has been slowly re-populating with animals, after flooding last year killed nearly half of its former residents.

A big spike in atmospheric carbon dioxide levels means the greenhouse gas is about to pass a symbolic threshold.

Scientists say they have developed a better way to predict how diseases such as Lassa fever jump from animals to humans.

Leading scientists have been particularly vocal in arguing against the UK leaving the European Union. But how would Brexit really affect UK science, asks Tom Feilden.

A plane powered only by the sun travels to New York City for a photoshoot at the Statue of Liberty, ahead of crossing the Atlantic Ocean.

A group of 13 Nobel prize-winning scientists warn leaving the EU poses a "key risk" to British science.

Astronaut Tim Peake is recognised in the Queen's Birthday Honours list.

More than 80% of the world's population lives under light-polluted skies, a study suggests.

Archaeologists using satellite imagery discover a huge, ceremonial monument at the Petra World Heritage site in southern Jordan.

A hummingbird-like moth may have colonised the UK, according to conservationists.

BBC Click smashes one of the panels on the world's highest and longest glass-bottomed bridge to see how safe it is.

Scientists think they have found a smart way to constrain carbon dioxide emissions - just turn them to stone.

The government is failing to do enough to protect communities at risk of flooding and needs to do more long-term planning, MPs say.

Nihonium, moscovium, tennessine, and oganesson are the names proposed for the four new chemical elements added to the periodic table in January.

Using DNA from three people to create a baby is safe, according to a major research study, by scientists at the Wellcome Trust Centre at Newcastle University.

Six months after Tim Peake blasted off to the International Space Station, he is preparing for his return to Earth.

British astronaut Tim Peake has been on the International Space Station for nearly six months, where the climate is unsurprisingly constant.

Researchers discover fossils that suggest the famous Hobbit species shrank on the Indonesian island of Flores within the space of 300,000 years.

A kayaker has filmed a close encounter with a 23ft (7m) basking shark off the south coast of the Isle of Man.

Italy's tomatoes and Thailand's potent chillies, although closely associated with these nations, have their historical roots elsewhere, a study reveals.