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The Cassini spacecraft has sent back images of Saturn's moon Titan giving scientists the closest views yet of the mysterious satellite. The shots were beamed back to a Nasa antenna based in Madrid, Spain, on Wednesday, at 0225 BST.

Scientists from 20 countries are working on plans to create a vast network of radio telescopes, the size of a continent that could reveal the birth of planets and galaxies, the mysteries of dark energy as well as joining the search for signals from alien civilisations.

Face recognition technology can be used to gain access to a person's private data, according to a new study. Researchers at Carnegie Mellon University combined image scanning, cloud computing and public profiles from social network sites to identify individuals in the offline world.

A lightweight pair of augmented reality glasses that overlay the world with digital content, such as directions or a travel guide, has debuted in Japan.The headset, created by Olympus and phone-maker NTT Docomo, uses augmented reality software on an attached phone.

There's no litter on the streets, no queues for the shops and hardly any traffic. For anyone who has battled the real life Oxford Street in London on a Saturday afternoon, the virtual version seems to have a lot going for it.

Twenty-one-year-old Abishek Suryawanshi is a Wikimedian. For those who haven't read the relevant explanatory page online, that means he's an avid reader, writer and editor of the online encyclopaedia site Wikipedia.

A new project known as Galaxy Zoo is calling on members of the public to log on to its website and help classify one million galaxies. The hope is that about 30,000 people might take part in a project that could help reveal whether our existing models of the Universe are correct.

The images were analysed by a modified home PC and detailed models created in less than a day. The team behind the system think it may help preserve heritage sites, ensuring they don't end up swamped by tourists.

Oxford University is asking for help deciphering ancient Greek texts written on fragments of papyrus found in Egypt. Hundreds of thousands of images have gone on display on a website which encourages armchair archaeologists to help catalogue and translate them.

The Large Hadron Collider team will be tapping into the collective computing power of the public to help it simulate particle physics experiments. Among other pursuits, the effort could help uncover the Higgs boson.

Many of us would be hard-pressed to remember what we were doing on 24 July this year. But for many YouTube fanatics, amateur film and documentary makers, or even just those curious of a unique movie-making experiment, that day was the chance to produce a small part of cinematic history.

An online initiative which asks members of the public to classify galaxies recorded unprecedented traffic in its first 48 hours. The venture is a follow-up to the Galaxy Zoo project launched in 2007.

Millions of internet users across the EU could be encouraged to join the fight against cyber crime if a ground breaking experiment in "crowd sourcing" goes ahead. The director of Europol told peers he wants to get net users directly involved in catching cyber crime gangs.

How personalised is the web? That's the question that Click listeners all over the world have been helping us answer.

Internet Eyes will pay up to £1,000 to subscribers who regularly report suspicious activity such as shoplifting. Managing director Tony Morgan said the scheme would reduce crime and help prevent other anti-social behaviour.

Ray tracing has always been the "holy grail" of computer graphics, says Jason Ronald, head of program management for the gaming console Xbox.

In the heart of the San Juan Basin, in the arid north-western corner of New Mexico, stands one of the greatest ancient treasures in the US: the remarkably preserved remains of a vast building complex believed to have been constructed between 850 and 1250AD that may have housed as many as 5,000 peopl

As parts of the world begin to ease their lockdowns, some people are looking back and finding the time in isolation seems to have gone surprisingly fast.

(This year, we published many inspiring and amazing stories that made us fall in love with the world – and this is one our favourites. Click here for the full list).

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Scientists have made a surprising discovery about Mars by playing with muck in the laboratory. An international team of researchers wondered how volcanoes that spew mud instead of molten rock might look on the Red Planet compared with their counterparts here on Earth.

There is only one photograph in circulation of the Tibetan Gedhun Choekyi Niyima, one of the world's most famous "disappeared" persons. It is little more than a snapshot, taken when he was just six years old. It shows a boy with rosy cheeks and an impassive look on his face.

Nestled among Kansas cornfields in a landscape devoid of any noticeable natural topography, a verdant mound can be seen from a dirt road. Surrounded by a military-grade chain fence and in the shadow of a large wind turbine, a security guard in camouflage paces the fence line with an assault rifle.

Perhaps understandably, the Covid-19 pandemic has forced many other international stories off the news agenda.

The coronavirus "may never go away", the World Health Organization (WHO) has warned. Speaking at a briefing on Wednesday, WHO emergencies director Dr Mike Ryan warned against trying to predict when the virus would disappear.