We're each responsible for melting 24 square metres of Arctic sea ice a year
For each ton of carbon dioxide emitted, an extra three square metres of Arctic summer sea-ice is lost.
'Mud Dragon' dinosaur fossil uncovered in Chinese dynamite explosion remains largely intact
The fossil suggests that a group of feathered dinosaurs was thriving right before the mass extinction.
Secret passage discovered under stage at Shakespeare's theatre
Archaeologists unearthed money pots used to collect ticket fees and beads and pins from costumes.
43% of endangered forest birds are closer to extinction than we thought
The Red List of species under threat must be brought up to date to reflect this finding, study authors say.
The brain and spine implants that help paralysed monkeys walk again
A wireless brain-spinal interface device could help paralysed people regain control of their bodies.
Mystery of the missing Neanderthal genes solved
Neanderthal inbreeding likely gave rise to harmful genes, lost in larger human gene pool when the species interbred.
Donald Trump will destroy the environment if he follows through on climate change rhetoric
Climate scientists are calling Trump's election an "environmental disaster".
Dinosaur claws were tough – even the proteins in their sheaths have survived for 75 million years
The proteins show strong similarities to those found in the claw sheaths of birds living today.
Dinosaurs might have been among the few species to survive the Great Dying mass extinction
The earliest dinosaurs may have walked the Earth 20 million years earlier than we thought.
Generosity is a turn-on when picking partners to play with
Online psychology experiments have shown that generosity is more valued than the bottom line.
Fatalists have less fun in the bedroom – willingness to solve problems improves sexual satisfaction
Having high 'sexpectations' tends to make people more dissatisfied in romantic relationships.
Life on land is 300 million years older than we thought
Evidence of life on land has been found in rocks that are 3.2 billion years old.
The White Cliffs of Dover have been crumbling faster in the past 150 years
Cliff erosion on the south coast has accelerated by an order of magnitude in the past few hundred years.
Why no one loves a bonobo when he's 40
Older male bonobos' poor eyesight is bad for their social life.
Thought 2015 was hot? Extreme weather will be the new normal by 2025
Australia is expected to be the first country to transition to this more extreme norm.
Frozen cave lion cubs found in Siberia thought to be 25,000-years-old or more
The cubs' stomachs still contain traces of what the researchers say could be mother's milk.
Worrying about your health actually increases your risk of getting heart disease
Worrying about your health can increase your risk of heart disease by more than 70%.
Poo power: What we flush down the toilet could now become jet fuel
The process of making fuel from poo mimics the way fossil fuels form in the ground.
Catchy songs decoded – this is why some songs get stuck in your head
The study could help songwriters on their way to their next catchy hit.
Weird-looking lumpy metallic space rock found on Mars
The odd-looking lump has been named Egg Rock and is made of iron and nickel.
Paris was not enough – what we need to do to limit warming to 1.5C
We must cut another 25% carbon emissions globally on top of Paris pledges, says UN report.
World's oldest mummies are rotting after 7,000 years due to climate change
Rising levels of humidity are encouraging bacterial growth on the mummies.
Clitoris vs vagina: When studying the female orgasm, the whole is more than the sum of its parts
The female orgasm can't be understood by focusing on a single part of the body, says research.
The first 'living' molecule may have been RNA
Life on Earth may have started as an 'RNA world' of self-replicating molecules.
Arctic sea creatures get over the winter blues by making their own light
The Arctic sea is bright with glowing zooplankton, helping them make it through the dark winter.
Underslept and overfed – sleep deprivation stokes your appetite
People consumed an extra 385 calories after a poor night's sleep but didn't burn any extra energy.
50,000-year-old jewellery made from ostrich eggshells discovered in Siberian cave
Ostriches may have lived in Siberia in Palaeolithic times.
Hundreds of Stone Age remains at risk in Yorkshire
Ancient remains at wetland sites are being destroyed by human activity.
A chill in Siberia is a bad sign for the US winter ahead
Siberian snow could has knock-on effects on the weather in the US.
Oil drilling linked to 1933 Los Angeles earthquake that killed 120 people
The Long Beach earthquake of 1933 and several others have been linked to oil drilling.