BBC News

The scientist who was 'made' by a purple frog with a snout

Karen Allen meets a rhino breeder with a controversial solution to stop poachers killing his animals for their horns.

Details are emerging of plans to pay farmers who manage their land in a way that helps prevent flooding in towns and cities.

British-born astronaut Piers Sellers tells of living life at "20 times normal speed" after being diagnosed with terminal cancer.

Sir David Attenborough speaks to Huw Edwards about the discovery of a new species of titanosaur, which is the biggest animal ever to walk the earth.

US astronomers claim to have strong evidence that there is a ninth planet in our Solar System. We asked you to send us your suggested names for this new arrival.

Archaeologists say they have unearthed the earliest evidence of warfare between hunter-gatherers, at a site in northern Kenya.

Why do astronomers in the US think there they have discovered a ninth planet in the solar system?

The discovery of what may be the world's biggest dinosaur is told in a new BBC One documentary.

Three baby otters have been found outside a Florida home in Palm Shores.

A sperm whale stranded on a beach in Western Japan is dragged back out to sea by fishermen.

Scientists studying birds in the Himalayas discover that one species of thrush is in fact two.

Exposure to toxin from algae linked to dementia

Nevada desert home to ambitious transport project

Nasa's chief scientist says she is a bit "sceptical" about the existence of a ninth planet in our Solar System.

Global temperatures in 2015 were the warmest on record, according to data published by meteorologists in the UK and US.

A 201-million-year-old dinosaur that fell out of a cliff face in Wales in 2014 is formally named Dracoraptor hanigani - the "dragon thief".

American astronomers say they have strong evidence that there is a ninth planet in our Solar System orbiting far beyond even the dwarf world Pluto.

Five planets will align across the dawn sky on Wednesday in a rare treat for skywatchers.

Global temperatures in 2015 were the warmest since records began, according to data published by meteorologists in the UK and the US.

What is China doing to clean its air?

Do beards hold the key to new antibiotics?

Images from an unmanned aerial vehicle suggest excessive management of floodplains limit their ability to hold water and slow the flow of floodwater.

Residents of one of Germany's foremost car manufacturing bases are urged to leave their vehicles at home after smog breaches maximum safe levels.

The present-day English owe about a third of their ancestry to the Anglo-Saxons, according to two new studies.

The amount of fish taken from the world's oceans has been underestimated by more than 50% according to a new study.

A company producing GM mosquitoes says it is to open a new factory in Brazil as it expands its operations.

A private UK fertility clinic is offering couples a new form of IVF treatment that allows conception to occur in the womb rather than in the lab.

This is the moment an unmanned SpaceX Falcon rocket exploded on landing after successfully delivering an ocean monitoring satellite to orbit.

Jason-3, a US-European satellite that is fundamental to our understanding of the oceans, is launched from California.

The UK government extends the "blue belt" of protected marine areas around the British coastline.

The making of British space hero Tim Peake

Nasa has ended the spacewalk involving British astronaut Tim Peake after his US colleague reported water in his helmet.

The European Space Agency is eager to develop its interest in a robot mini-shuttle just selected by Nasa to help ferry cargo to the space station.

Tim Peake is carrying out the first ever spacewalk by an astronaut representing the UK.

Major Tim Peake and Nasa astronaut Tim Kopra are repairing a faulty component outside the International Space Station.

A butchered mammoth carcass pulled from frozen sediments in the far north of Russia proves humans were present in the Arctic some 45,000 years ago - 10,000 years earlier than previously indicated.

Astronomers have seen what could be the most powerful supernova yet detected - an event so big it shone with 570 billion times the brightness of our Sun.

African lions are set to gain greater international protection this year in the wake of the killing of Cecil in 2015.

Fog on Mars, storms on Jupiter and fiery flares on the Sun

The next ice age may have been delayed by more than 50,000 years because of the greenhouse gases put in the atmosphere by humans, scientists in Germany say.

A vast, previously unrecognised canyon system could be hidden under the Antarctic ice sheet, say scientists.

Most seagrass meadows around the British coast are in a poor condition, say scientists.

A prehistoric giraffe that died out 10,000 years ago might have been the largest ruminant that walked the Earth.

A special vault has been built in the Arctic to store thousands of seeds, as scientists fear the impact of climate change and prolonged conflicts could have devastating consequences on food crops around the world.

Astronaut Tim Peake demonstrates what happens to water in space for the Stargazing Live programme.

Science editor David Shukman goes deep inside an Arctic mountain to see the world's most important seed store.

Birds from Russia and eastern Europe form what is known as murmurations, grouping together to create a spectacular show in the Middle Eastern sunset.