Main headlines:
New diesel and petrol cars face 2040 ban in UK

Ministers will unveil a £255m fund to help councils introduce steps to deal with vehicle pollution.

Time, not material goods, 'raises happiness'

Contentment comes from paying others to take on chores such as cleaning and cooking, a study says.

On a mission to Mars (with Hawaii stopover)

Researchers living near the active Hawaiian Volcano Mauna Loa are simulating what it's like to "live" on Mars.

China set to launch an 'unhackable' internet communication

China might not have the lead in research but its application of secure networks is leading the way.

South African child 'virtually cured' of HIV

The nine-year-old has no active HIV in the body after catching the infection at birth.

High risk of 'unprecedented' winter downpours - Met Office

A new analysis suggests there's a greater chance of the heavy rain that led to extensive flooding in 2014.

World's first floating wind farm emerges off coast of Scotland

The revolutionary technology allows wind power to be harvested in waters too deep for current turbines.

Electricity shake-up could save consumers 'up to £40bn'

New rules will encourage UK consumers to generate and store their own power, ministers say.

Fukushima disaster: Robot finds possible melted nuclear fuel

An underwater robot spotted the lava-like rocks inside a reactor of Japan's destroyed nuclear plant.

Farm subsidies 'must be earned' - Michael Gove

Environment Secretary Michael Gove plans to pay farmers for protecting the environment and creating rural jobs.

New Mexico boy trips over 1.2 million year old fossil

A 10-year-old boy's stumble unearthed a prehistoric skull, which he then got the chance to help excavate.

Elephant seals 'recognise vocal rhythm'

Male elephant seals recognise the rhythm of one another's voices, researchers say.

Poaching pushes pangolin closer to extinction

Pangolins in the forests of Africa are at risk of being pushed to extinction like their Asian relatives.

Moon dust bag sold for $1.8m at New York auction

The bag was used by astronaut Neil Armstrong to collect the first ever samples of the Moon in 1969.

Why dogs are friendly - it's written in their genes

Being friendly is in dogs' nature and could be key to how they were domesticated from wolves.

UK rhino eggs 'could save last northern whites'

A UK zoo is taking part in a radical plan to save the world's last northern white rhinos from extinction.

Australia human history 'rewritten by rock find'

Research shows Aboriginal people entered Australia up to 18,000 years earlier than thought.

Mighty T. rex 'walked rather than sprinted'

New research suggests the dinosaur could go no faster than a very brisk walking pace.

World's first floating offshore wind farm in Scotland.

Each wind turbine is taller than Big Ben and the farm can power 20,000 homes.

Scientist describes life on the ice in Greenland

Glacial microbiologist Dr Joe Cook is in Greenland to examine the effect of algae on melting ice.

Greenland ice sheet: How do you go the toilet?

There's one question the BBC's science editor keeps being asked about life on the ice.

Astronaut shares 'burrito of awesomeness' aurora video

Nasa's Jack Fischer gives his take on this aurora time-lapse from the International Space Station.

How the body responds to stress

We analysed how the body responds to stress - by making presenter Jordan Dunbar do a comedy performance.

The rather rude sounds of an elephant seal

Male elephant seals recognise the rhythm of one another's voices, researchers say.

Gif and image written into the DNA of bacteria

Images and a short film are inserted into bacteria DNA and recovered with 90% accuracy.

Lark or night owl? Blame your ancestors

Our ancestors could be to blame for the wide variety of human sleeping habits, from larks to night owls.

Newquay is go!

World Land Speed record holder Andy Green looks forward to the first, low-speed runs of the Bloodhound supersonic car.

Zoo keepers

Galaxy Zoo is one of the most successful citizen science projects ever conceived. We look back at what it's achieved over 10 years.

Fusion wait

We will have to wait until the second half of the century for fusion reactors to start generating electricity, experts have announced.

Sprouting wings

We're all used to ants sprouting wings and taking to the air during summer, but is there really such a thing as a "flying ant day"?

'Beam me up, Scotty'

Chinese scientists have "teleported" a photon particle to a satellite - could humans be next?

Splitting the atom

The government is about to set out its position on membership of Europe's nuclear regulator after Brexit.

DNA data

Could an effort to gather genetic data from its population of one billion people help India take the lead in advanced healthcare?

Ribbiting stuff

The huge diversity of frogs we see today is mainly a consequence of the asteroid strike that killed off the dinosaurs, a study suggests.

Desert wall?

Science reporter Victoria Gill joins researchers in Arizona to find out how President Trump's wall could affect endangered desert wildlife.

Dino domination

A million-year-long period of volcanic activity led to the rise of the dinosaurs, a study suggests.

Quantum leap

Chinese scientists say their experimental Micius spacecraft paves the way for a new kind of internet.

Saving big cats

Amy Dickman has had some close shaves with big cats and humans while working with cheetahs and lions.

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