The latest stories from the Home section of the BBC News web site.
Updated: 1 day 2 hours ago
Marc Maiffret, a former hacker who is now an internet security expert, says it is easy for a hacker to break into a company Sony.
Kurdish forces in northern Iraq say they have broken the IS siege of Mount Sinjar, claiming their biggest victory yet against the militants.
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.
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.
Residents of IS-run Mosul sick from drinking the river
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 have been filmed more than 8km 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.
The cyber attack on Sony that forced a major film release to be pulled is being viewed as a national security matter, the White House says.
The European Union needs a "plan for years" towards Russia, Donald Tusk says, chairing his first summit as European Council president.
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?