Puan, an orangutan at Perth Zoo, has been named the world's oldest Sumatran orangutan in captivity at 60.
Worldwide populations of mammals, birds, fish, amphibians and reptiles have plunged by almost 60% since 1970 as human activities overwhelm the environment, the WWF conservation group said.
Genes taken from archived blood samples show the US AIDS epidemic started in New York in the early 1970s, definitively debunking the long-held belief that the virus was spread in the early 1980s by a flight attendant who became vilified as "Patient Zero" for seeding the US outbreak.
A series of strong earthquakes hit central Italy, striking fear among residents still rattled by a deadly tremor in August, but there were no reports of casualties.
A water ride that killed four people at an Australian amusement park in one of the world's deadliest theme park accidents had completed an annual safety inspection less than a month ago, the park's owner said.
The British Government has backed a big expansion of London's Heathrow Airport, ending 25 years of indecision with an ambitious plan to boost global trade links following the vote to leave the EU.
Donald Trump says Hillary Clinton's plan for Syria would "lead to World War Three," because of the potential for conflict with military forces from nuclear-armed Russia.
Efforts to close gender gaps in pay and workforce participation have slowed so dramatically that men and women may not reach economic equality for another 170 years, the World Economic Forum says.
Democratic presidential candidate Hillary Clinton has warned her supporters against complacency as opinion polls show her holding a clear lead over Republican rival Donald Trump.
Four people have died after an accident on a ride at Australia's biggest theme park.
When it comes to lying, practice makes perfect because the brain slowly adapts to ignore the emotions produced by deception, according to new research.
A man has been shot dead in broad daylight outside a home in Sydney's southwest.
A US-based scientist was killed in Antarctica when the snowmobile he was driving plunged into a crevasse, the US National Science Foundation (NSF) said in a statement on Monday.
Hillary Clinton has slammed her rival Donald Trump for saying that the week-old effort to retake the Iraqi city of Mosul from the control of Islamic State was going badly.
France began clearing the sprawling "Jungle" camp as many migrants who have camped for months or years among sand dunes near Calais gave up on their dreams of reaching Britain, a tantalisingly short sea crossing away.
Tom Hayden, a stalwart of America's New Left who served nearly two decades as a California state lawmaker, has died after a lengthy illness. He was 76.
A surfer has been discharged from hospital after surviving a shark attack in waters near Byron Bay on the notorious NSW north coast.
Cameroon's President Paul Biya has pledged to investigate the causes of a rail crash that killed at least 75 people, as rescue workers scoured wreckage for more bodies.
A tour bus has crashed into the back of a tractor-trailer on a Southern California highway, killing at least 13 people and injuring 31, an NBC affiliate reports.
Republican presidential candidate Donald Trump will "100 percent" accept the result of the US election if it is fair, his son Eric Trump says.