Solar Impulse 2 has suffered irreversible damage to overheated batteries. Photo: Getty
The record-breaking solar plane is grounded – is there still hope for clean energy?
By India Bourke - 03 August 17:56

In spite of Solar Impulse 2's problems, solar-powered flight is down but not out.

hitchBOT in happier times. Photo: hitchBOT via Facebook
Can robots trust humans? Not in America, apparently
By Barbara Speed - 03 August 17:05

hitchBOT, a hitchhiking robot created to investigate robot-human relations, has been decapitated in Philadelphia. 

A group of people queue in the rain. Photo: Getty.
Google wants to put an end to queueing
By Barbara Speed - 31 July 9:54

Google has been tracking our locations, and now it's using the information to tell us when destinations are least busy. 

Crusader against death: Aubrey de Grey finds it “scandalous” that we accept decline through ageing. Photo: Peter Searle/Camera Press
The God quest: why humans long for immortality
By Philip Ball - 30 July 13:27

We can’t stop craving eternity.

The Large Hadron Collider. Photo: Getty
The usefulness of a pentaquark
By Michael Brooks - 30 July 12:58

Quarks are a puzzle: they carry, variously, a third or two-thirds of the electrical charge of the electron.

How does this work, then? Image: Andrew Morris/Imperial College Press
Why don't people care about science?
By Tosin Thompson - 29 July 15:17

Science teacher and writer Andrew Morris explores how adults who struggled with the strictures of the school curriculum can reconnect with science. 

Shoppers on Oxford Street. At least one of them will be crying. Photo: Getty
Why is it so shameful to cry in public?
By Eleanor Margolis - 28 July 14:34

I’ve been a grown-up public crier pretty much since reaching adulthood. But it hasn’t got any easier.

An end to this madness. Photo: Twitter.
Sorry, joke-stealers: Twitter is on to you
By Barbara Speed - 27 July 11:49

Followers stealing your jokes? Turns out Twitter might be willing to acknowledge that you're the copyright holder, and delete copycat tweets. 

Your phone can tell when you’re depressed
By Barbara Speed - 24 July 16:35

Where you take your phone, and how much you use it, can give doctors an insight into your mental health. 

The spreadsheet Google doesn't want shared
By Barbara Speed - 23 July 17:15

According to an ex-employee, around 5 per cent of the company's staff have shared their salaries on an internal database, and the bosses aren't happy about it. 

Infinite time. Image: Darren Tunnicliff/Flickr
Is there such thing as the beginning and end of time?
By Tosin Thompson - 23 July 14:33

In homage to the 60th anniversary of the world’s first atomic clock, it's time to ask what time actually is and whether it even exists.

Vova Kharatyan, 65, cherishes his tiny, improvised front yard in Yerevan, “a symbol of my love and my pain”. Photo: Jan Brykczynski
Take a look in the eyes of our urban gardeners
By John Burnside - 23 July 11:48

Eventually, we will have to recognise that it is not “nature” that we need to protect, but ourselves.

People inside a model of an intestine in Dresden, Germany. Photo: Getty
Intelligent stomachs: what if your gut could remember what you had eaten?
By Michael Brooks - 23 July 11:44

Welcome to the world of synthetic biology.

A halo. Photo: Getty
The echo chamber of social media is luring the left into cosy delusion and dangerous insularity
By Helen Lewis - 22 July 13:04

News on Facebook travels through “Likes” and shares, and people won’t Like a crackdown on benefits, even if they secretly support it.

An artist's impression of Zhenyuanlong shows what the creature might have looked like 125 million years ago. Image: Chuang Zhao
Researchers discover a big winged dinosaur so big it probably couldn’t fly
By Tosin Thompson - 17 July 15:26

Resarchers working in China have found a new dinosaur with one of the most complex, well-preserved pair of wings ever seen  too bad it probably couldn't fly. 

You scratch my back. . . baboons are masters of consensus. Photo: Mohamed El-Shahed/AFP/Getty
Planning a holiday? Take some advice from baboons
By Michael Brooks - 16 July 9:17

When planning, it often seems one person gets their way. But there is an alternative.

Bender from Futurama. Photo: Still from "Bender's Big Score Trailer"/foxabulous's channel/YouTube
Could a robot make you laugh?
By Tosin Thompson - 15 July 16:43

Artificial intelligence researchers are trying to make machines tell jokes. It's not going very well.

Bob Dylan, Richard Wager. . . what algorithm could contain both? Photo: Pierre Guillaud/AFP/Getty Images
SEO and algorithms? Numbers can't match up to plain good taste
By Ed Smith - 15 July 9:29

Truly independent expertise can never be swayed. Numbers, on the other hand, can be manipulated reasonably easily.

We put the Labour leadership candidates into Deep Dream and the results will haunt your nightmares
By Barbara Speed - 14 July 15:25

Google's software searches images for recognisable features, then emphasises them to hellish effect.

Broadening the horizon of our Solar System. Image: Nasa
Liveblog: Nasa’s probe New Horizons will make history as the first spacecraft ever to reach Pluto
By Tosin Thompson - 13 July 16:06

Nasa’s New Horizons spacecraft will be returning to humanity the first ever close-up images and scientific observations of Pluto and its moons. 

Twitter HQ. Photo: Kevin Krejci via Flickr.
Twitter's new porn-spotting robot moderators
By Barbara Speed - 13 July 13:37

The social networking site has introduced new artificial intelligence systems that can spot and delete sexual and violent images – and spare human moderators in the process. 

The New Horizons spacecraft at the Kennedy Center. Photo: NASA
The risks, rewards and rocky starts of space travel
By Michael Brooks - 09 July 17:00

Space is hard but deep space is perhaps harder – yet, as we hope to find out, still worth the effort. 

Sad Reddit robot. Photo: Reddit.
Reddit’s woman problem
By Barbara Speed - 09 July 16:01

The linksharing site's latest upheaval highlights a deep-seated distrust of women among some users. 

Unfair game: why are Britain’s birds of prey being killed?
By Mark Cocker - 09 July 10:30

Are gamekeepers killing off Britain's raptors? It's a question that gets to the heart of our right to privacy – and to roam.

Dancing whatever the weather. Image: Getty Images
The pursuit of happiness: what is happiness, and how can we make ourselves happier?
By Tosin Thompson - 08 July 13:57

What are the scientifically proven ways to be happier?

Morgan Stanley CFO checks her phone in a press conference. Photo: Getty.
The philosophy of phones: why it might not matter that you can't stop checking yours
By Barbara Speed - 07 July 15:48

A new paper on phantom phone vibration syndrome suggests that we rethink our negative approach to technology and its effects on us. 

A pregnant women at sunset
Blood alcohol tests in pregnancy: what do women lose when their bodies are scrutinised like this?
By Sarah Ditum - 07 July 7:00

When women are increasingly scrutinised and shamed for the way they tend to actual or potential foetuses within them, it is not paranoid at all to feel this legislation as the cold hand of a threat laid on women’s backs.

Theodore chats with his robot girlfriend in Her. Photo: Warner Bros.
"I don't have ethics": Google has invented a conversational robot
By Barbara Speed - 06 July 11:48

Google's new AI robot is the first to hold a semi-intelligible, spontaneous conversation. Its responses so far are oddly poetic.

An image of a locked door displays if you try to access any of the locked subreddits. Photo: reddit.
Reddit rebellion: huge chunks of the site have gone down following a staff member’s departure
By Barbara Speed - 03 July 0:00

Victoria Taylor, administrator of the popular "Ask me Anything" section, has left the site under mysterious circumstances.

Let it rip. Image: Getty Images
From Big Bang to Big Rip: how will the universe end?
By Tosin Thompson - 02 July 15:58

The universe is a very sticky place, but how sticky is it? Could it favour the “Big Rip” demise of the universe?