What killed this dolphin? Inside the lab for post-mortems on whales, dolphins and turtles
A young dolphin washes up on a beach in Devon. Here's how two marine biologists investigate its death.
Lost recordings of Holocaust survivors' songs from 1946 discovered in mislabelled box
The long-outdated technology needed to play the recordings had to be rebuilt almost from scratch.
10 symptoms of cancer you should never ignore
Breathlessness, unexplained weight loss and heavy sweating are among the signs worth spotting early.
What caused a 2 billion year hold up in the evolution of complex animals?
A lot of dead bacteria in rocks soaked up the oxygen in the atmosphere for billions of years.
Presumed extinct yet thriving deep in the Congo Basin? First footage of shy Dryas monkeys
New population of Dryas monkeys has been found in remote part of the Congo Basin.
3,200-year-old Egyptian tomb of renowned royal scribe discovered by banks of the Nile
The tomb was found next to that of another high-level official who lived during the reign of Amenhotep III.
People's genetics in far eastern Russia haven't changed much since the Stone Age
People in the Primorye region of Russia have remained genetically isolated for millenia.
'Tinder for orangutans': Zookeepers hope better dates for apes will lead to more sex
One orangutan loved the game so much she accidentally smashed the screen.
US scientists protest Trump's 'travel ban' in open letter signed by 150 universities and societies
Scientists from banned countries have been blocked from taking up jobs or attending conferences in the US.
Scientists claim to have genetically engineered cows so they are resistant to tuberculosis
Tuberculosis is a huge problem in cattle, leading to widespread culling.
Ocean acidification makes killer cone snails hyperactive and too impatient to hunt
Cone snails moved about much faster in acidic water but were a lot worse at catching prey.
Unprecedented preservation of dinosaur soft tissue discovered with proteins 195 million years old
Haematite made from dinosaur blood acted as an antioxidant to preserve the protein collagen, palaeontologists say.
Lost fragments of a 3-billion-year-old continent may be trapped beneath the island of Mauritius
The finding means we have to redraw the ancient continental boundaries, geologists say.
Chimpanzees overthrow, murder and eat a former tyrannical alpha male who fell from grace
Thirteen years prior to his murder, the oppressive alpha ruled the clan.
High levels of black carbon discovered in Siberia, which could speed up Arctic thaw
Black carbon accelerates climate change by darkening snow and ice to make them warm faster.
Giant fossil found in Transylvania was a ferocious flying predator that could devour horse-sized dinosaurs
The pterosaur Hatzegopteryx had a thick stocky neck that allowed it to eat very large prey.
Antibiotic-loving bacteria don't just resist drugs, they get a kick out of them
Strains of E. Coli exposed to the antibiotic doxycycline grew colonies three times larger than normal.
A fossil of our oldest known ancestor has been discovered in China, and it is not pretty
The creature lived 540 million years ago, looked like a sack and probably didn't have an anus.
Image of giant extinct aurochs found in 38,000-year-old engraving
The use of modern techniques has revealed images that the cave's 20th Century discoverers couldn't spot.
First underwater views of the newly-discovered Amazon reef system revealed
Oil drilling in the Amazon Basin close to the reef could put the unique biome at risk.
200 artificial snow mounds have been created for critically endangered Saimaa seals to have pups in
There are only about 360 Saimaa ringed seals left, which are found at a single lake in Finland.
Zookeepers 'heart-broken' over death of endangered Sumatran orangutan as she gives birth
Adelaide Zoo staff who cared for Karta through her surprise pregnancy are devastated by her loss and that of her baby.
Evolution you can see: Tiny snow voles getting even tinier because of early winters in Switzerland
The shrinking voles are responding to the environmental change in a way ecologists didn't expect.
180-million-year-old relative of vampire squid unearthed at newly-discovered Jurassic fossil bed
Many of the specimens found at the site are incredibly rare, with soft body parts preserved including bones.
100-million-year-old 'alien' insect discovered trapped in amber
Insect's head is the opposite way around in contrast to other triangular-headed insects.
Firing a barrage of deep-ocean sound waves at an oncoming tsunami could stop it in its tracks
It would require the energy of a nuclear bomb to stop a tsunami.
Boys who see girls as sex objects are more violent towards them from as young as 12
The effect was most pronounced among boys who weren't members of gangs.
Newly discovered activity in the tectonic fault off the coast of Italy points to earthquake risk
It was not known previously whether or not the fault was capable of generating future earthquakes.
Russian scientists attempt to solve mystery surrounding Lake Cheko in Siberia
Years of controversy surround Lake Cheko and arguments it was formed by 1908 Tunguska event.
Trump has started deleting climate change data. What happens next?
Scientists are scrambling to to save some of the environmental data at risk of being taken down.
