Pauline Cafferkey, the nurse being treated for Ebola should not have been allowed to leave Heathrow airport, admit health officials.
Winners of some of the year's biggest photography competitions.
Archaeologists discover giant underground city in Nevşehir dating to 5,000 years old.
Virgin boss Richard Branson calls for greater wildlife protection to stop further extinctions.
Palaeontologists say filmmakers made up the dinosaur noises in Jurassic Park.
Latest Research Excellence Framework reveals British academics are developing work that's making a real impact.
Scientists find female praying mantis trick males with sex before killing them.
Light-matter coupling at room temperature in 2D materials allows for practical devices that use both properties.
At least 24 people killed in Malaysia and Thailand in the worst flooding for more than a decade.
Exoplanet experts to meet to discuss how to best seek out alien worlds over next 20 years.
From the Mars orbit insertion to the launch of its heaviest rocket, India's space saga during the year has been impressive.
Night time lows are expected at -3C in the south, -8C in the northern areas and -10C in the Scottish valleys.
Genetic research ranged from creating basic life molecules in the lab to promising delayed ageing.
From growing insulin producing cells to curing blindness, stem cells have shown much promise.
Researchers say that the process can cut economic loss and save the environment.
Luxury cars could be hacked to steal information, extort money from drivers or even cause crashes.
UFO with alien and mysterious crater in Siberia ranks high in list.
Poaching and habitat loss continued to take many species to the brink of extinction during the year.
A chance referral led to the identification of a new species by its leg bone.
Tow independent groups of the Pheidole genus of ants evolved separately in two regions of the world.
Scientists propose new theory for disappearance of Sanxingdui culture.
Top five weird and wonderful theories about the universe announced this year.
A final IPCC report has warned of dire results unless action is taken to cut carbon emissions. But is there enough being done?
Nazca Lines photographer Edward Ranney responds to Greenpeace publicity stunt.
Neutrino capture by tritium and precise measurements of electron energy hoped to yield answers to big questions.
Primitive fish eye fossil suggests colour vision first emerged at least 300 million years ago.
Understanding birdsong can help tackle speech problems in humans.
US health officials are recommending an end to America's lifetime ban on blood donations from gay and bisexual men.
Oldest stone tool in Turkey shows early humans passed from Asia to Europe far earlier than thought.
IBTimes UK round up of the best animals from science over the last year.