His parents were out when he left the message: 'This is your son calling from the International Space Station'.
Scientists have warned that the world is close to a post-antibiotic era although current levels of threat to human health is low.
Scientists have mapped wild bee population decline in the US, and it's not pretty viewing.
Teotihuacan people kept wolves, eagles and pumas in captivity 1,000 years earlier than previously thought.
Lucy Nicholson photographed people living on the streets of LA. As they posed for portraits, they shared their stories.
Two species of sea snake have been spotted in Western Australia, even though they were thought to be extinct.
The tomb of the King nurse was opened on 20 December after almost two decades of excavation.
Decade-old reconstruction has been making the rounds online - but how accurate is it?
Black holes use the gas floating around them as their 'food source'. Once it runs out, it cannot grow anymore.
New South Wales campaign widely lampooned with #stonersloth hashtag.
Archaeologists say her mummy may be inside secret chambers of Tutankhamun's tomb.
There are just days left to enter the world's largest photography competition.
Over a 100 forest fires spread across Asturias in northwest Spain over the weekend.
At least 91 people are missing after landslide buries business park in Shenzhen – China's fourth major disaster this year.
The winter solstice will take place on 22 December in the northern hemisphere, marking the longest night of 2015.
Mass coral bleaching on the Great Barrier Reef caused by El Nino will take place early in 2016.
Australian bushfires destroyed homes with one resident saying he felt lucky to be alive.
Archaeologists say skeletons at Drawsko cemetery found with sickles were not 'vampire burials'.
The study did not examine the effects of vegetarian diets on the environment.
Just 20,000 polar bears remain today but how can we protect their survival?
IBTimes UK takes a look at some of the most significant findings
Researchers are racing against time to save one of the world's most famous heritage sites.
The death mask of the boy king of Egypt is back on display at the museum after a clean-up and repair work to the beard.
The winter solstice, or December solstice, will take place on 22 December marking longest night of the year.
Peake says after some initial discomfort his body has got used to weightlessness in space.
Archaeologists find Necropolis of over 100 single-skeletal graves containing ancient Scythian nomads.
Humans disrupted the natural balance between pairs of animal and plant species 60,000 years ago.
A study from the University of Utrecht shows that scientists' use of 'positive' words has risen 880%.
Cairo Calendar describes cycle of moon and Algol
Kursi is where Jesus apparently performed the Miracle of the Swine.