A secret CIA report released by Wikileaks says strikes against Taliban leaders have had little impact on the group.
Tracking data reveals that golden-winged warblers fled one day before the April 2014 US tornado outbreak, probably because they "heard it coming".
Regularly taking painkillers such as aspirin and ibuprofen may help protect against some forms of skin cancer, research suggests.
The precise part of the brain that gives people a sense of direction has been pinpointed by scientists.
The battle for guns at university
Up to 28 doctors took their own lives between 2005 and 2013 while being investigated by the General Medical Council, an independent review of cases has found.
Could a period of relative stability in Chechnya be coming to an end, asks Dr Galina Yemelianova.
The Pakistan Government and military distrust each other - and that makes combating violence difficult, says Owen Bennett-Jones.
Adrees Latif explains how he captured the moment a man was treated for the effects of pepper spray.
the tradition that only got going in the 1960s
Nearly 250 prison officers are being bussed across the country to fill gaps at other jails because staff shortages are so acute this Christmas, according to leaked documents.
Fish are filmed more than 8,000m down in the Mariana Trench - the deepest place on Earth.
Fish have been filmed more than 8,000m down in the Mariana Trench - the deepest place on Earth.
The agency guarding the US president is too insular and must recruit its next head externally, a review prompted by a White House security breach says.
Record numbers of students entered university this year, but the gender gap has never been wider, according to annual admission figures.
Shrinking the bubbles generated by ships could counteract the impact of climate change, a study suggests.
Microsoft has launched a test version of the Skype Translator which decodes conversations in Spanish and English in near real time.
Do you remember who said what from 2014?
The West's struggle to deal with the threat posed by Islamic State militants features in some papers, while others are gearing up for Christmas festivities.
The do-it-yourself electronics maker littleBits has released a "smart home" automation kit.