Scientists from the University of Liverpool have developed new methods to track stem cells after they enter and stay in the body for a longer period of time.
Researchers from the University of Exeter claimed that people should eat less meat to tackle climate change.
Sudan police break up fifth day of protests against austerity measures, which led Khartoum state governor to fire staff.
Even diplomatic asylum will not protect Assange from arrest as soon as he steps out of Ecuadorian embassy in London.
Audacious rescue attempt after suicidal man repeatedly threatened to jump off tower block in Zhejiang's Ningbo City.
Four former officers sentenced to life imprisonment and fifth officer gets 15 years for death by torture of suspect in church bombing case.
The exiled Tibetan spiritual leader the Dalai Lama was all praise about Prince Charles as he met the Prince of Wales in London on Wednesday.
Graphic video shows two Tibetans who set themselves on fire in protest against Chinese rule, as Dalai Lama tours Britain to promote peace and non-violence.
Toulouse gunman who claimed links to al-Qaeda had history of mental health problems, with little interest in religion or politics, say family.
Indonesian military plane crashes into homes on military base minutes after takeoff.
The FBI was tipped off by a chemical company and a shipping firm about the online purchases of Khalid Ali-M Aldawsari. He was trying to put together a deadly explosive device.
Nasa's Lunar Reconnaissance Orbiter discovers ice in moon's Shackleton crater.
US to brand three alleged members of Boko Haram as foreign terrorists in first step of wholesale blacklisting of militant Nigerian Muslim group.
Summer Solstice 2012, or the first day of summer, marks longest day of the year, in the Northern Hemisphere.
Scientists believe that knowing the size of carbon dioxide snow cloud particles on Mars may help researchers understand the properties and behaviour of dust in the planet's atmosphere.
The main focus of the conference is on a green economy that uses renewable sources of energy rather relying on fossil fuels.
In a 40-second video, Republican Samuel Wurzelbacher blames gun control in Germany for the Holocaust.
Muslim Brotherhood fears military coup as results for Mohamed Mursi and Ahmed Shafiq vote delayed by complaints probe.
At least 40 dead after radical Islamist sect Boko Haram launches attack in northern Nigeria after deadly assaults in churches of last weekend.
Armed man who claimed to be with al-Qaeda arrested after hostage standoff with police.
Temporary truce clears way for evacuation of trapped and wounded from embattled city.
Schoolboy claims he was picked up by Bahrain security forces while playing in street with friend and forced into confession.
The Islamist militants Boko Haram unleash wave of attacks in cxity of Damaturu amid mounting criticisism of President Goodluck Jonathan trip to Brazil for a UN conference.
The skeleton of Tyrannosaurus Bataar, which existed about 70 million years ago mostly in Mongolia in Central Asia in Cretaceous period, was sold for over $1 million in an auction in New York on May 20.
Saudi women seek to revive Women2Drive campaign in defiance of prohibition on female drivers.
Pakistan claims arrest of French man accused of being al-Qaeda militant but stories emerge that he was killed in US drone strike in 2010.
Four people held hostage in bank in southwestern city of Toulouse by man claiming to be al-Qaeda operative.
Fighting between Kurdish militants and government troops at Hakkari province army outposts claim high death toll.
Police say that WikiLeaks founder Julian Assange faces arrest for breaching bail conditions while seeking political asylum.
UN investigator wants probe into civilian casualties in growing number of drone attacks.