Top world stories
Death-penalty states are finding it harder to carry out executions as they struggle to obtain and properly use limited supplies of ever-changing combinations of suitable drugs.
Scottish nurse, Pauline Cafferkey, who had recovered from Ebola, is now suffering complications, adding to signs that the virus is a long-term health risk and can lead to a "post-Ebola syndrome".
An incoming round was whistling toward Marea, a town on northern Syria's agricultural flatland. "One shell fired!" the voice on the radio said. "Be careful!"
Latest world news
Sarah Knapton 2:48 PM Humans will be living and working on Mars in colonies independent of Earth by the 2030s, claims Nasa.
Benjamin Mueller 1:29 PM In the world of multimillion dollar gift-giving, Paul Smith's College, named for a 19th-century hotelier and tucked in the forests of northern New York state, carried little cachet. So when Joan Weill, the wife of Wall Street billionaire Sanford I. Weill, proposed a $US20 million ($27 million) gift that would lift the struggling college's fortunes, its officials saw national prestige on the horizon.
Philip Wen and Peter Hannam 10:55 AM China is considering aggressive new curbs on coal consumption as it accelerates efforts to transform its economy and tackle climate change.
Chris Buckley 10:09 AM When Mao stirred China with a call to let a hundred flowers bloom, he surely never imagined anything as frivolous as this. Across China, grown-ups are sporting plastic decorations on their heads in the shape of vegetables, fruit and flowers.
7:50 AM A hillside collapsed onto Santa Catarina Pinula on the south-eastern edge of Guatemala City on October 1, burying more than a 100 homes under tons of earth, rock and trees.
Helene Cooper and Eric Schmitt 7:05 AM The US program had produced as few as five trainees who were fighting Islamic State in Syria last month, and US-trained fighters had supplied affiliates of al-Qaeda with a significant amount of arms.
James Queally 5:43 AM One student was killed and another person was injured after someone opened fire outside a Texas Southern University dormitory on Friday morning, prompting a lockdown at the Houston school, officials said.
Ruth Pollard 3:58 AM A little-known group of civil society organisations honoured for helping steer Tunisia towards democracy as their neighbours collapsed into chaos.
Katie Rogers 2:16 AM One person has been killed and three others injured in a shooting at Northern Arizona University.
Kate Kelland 1:58 AM One in three of all the young men in China will eventually be killed by tobacco unless a substantial proportion of them succeed in quitting smoking, according to a new study.
1:55 AM A fugitive former spy chief accused of involvement in the murky death of an Argentinian federal prosecutor in January flew from Brazil to the United States a month later, Argentina's security ministry said this week.
Justin Moyer 1:39 AM Journalist Matthew Keys, who prosecutors say illegally leaked the username and password needed to hack into the Los Angeles Times to the hacking group Anonymous may serve 25 years in prison.
Sharon Bernstein 12:28 AM American who fought a gunman apparently planning a terrorist attack on a train in France in August is fighting for his life.
Aziz El Yaakoubi 12:07 AM A UN plan to unite Libya's warring factions has hit a roadblock.
Vanessa Williams 9:13 PM 'I think the likelihood of Hitler being able to accomplish his goals would have been greatly diminished if the people had been armed,' the Republican presidential candidate said.
Ruth Pollard 6:17 PM As was the case 15 years ago, a political vacuum is being filled by violence between Israelis and Palestinians.
Madeline Chambers 5:26 PM Migrants who do not need protection hamper efforts to help those who do, German minister says.
5:03 PM The family of the unarmed black man shot in the back by a white police officer after fleeing a traffic stop on foot has reached a settlement with North Charleston city officials.
Jennifer Steinhauer and David Herszenhorn 4:24 PM Dismay and talks of divisions among Republicans as exit leaves no clear path forward and no set date for a new vote.
James Gorman 3:50 PM Building on years of research, 82 researchers from institutions around the world have built a reconstruction of a section of a rat brain in a computer.