Australia’s prime minister Malcolm Turnbull (second left) answers a question from the opposition in parliament as minister for home affairs Peter Dutton (right) listens  in Canberra on Monday. Photograph: Sean Davey/AFP/Getty Images

Malcolm Turnbull, Australia’s prime minister, has shelved his government’s flagship energy policy, threatened to break up power companies and dumped n(...)

People observe a forest fire in Brejo village, Monchique, Faro south of Portugal on Monday. Photograph: Filipe Farinha/EPA

The world is at risk of entering “hothouse” conditions where global average temperatures will be 4-5 degrees higher even if emissions reduction target(...)

Science, technology, engineering and maths (STEM) related content is quite popular on YouTube but, as researchers from the Australian National Univers(...)

During his  State visit to Australia, President Michael D Higgins and his wife Sabina visit the Irish Support Agency in Bondi, Sydney. Photograph: Maxwell’s

Olivia and Brian Macalister had enough. The married couple had good jobs and worked long hours in Dublin but struggled to save for a deposit to buy a (...)

A pedestrian walks past a TV screen  broadcasting news of North Korea’s missile launch, in Tokyo on Tuesday. Photograph: Franck Robichon/EPA

Sirens blaring over city rooftops would be alarming to most people. In a country where elderly people can still recall the American aerial bombings th(...)

A rendering of the proposed artificial floating island project in a tropical lagoon in French Polynesia, designed as a response to climate change. Photograph: Seasteading Institute via The New York Times

You might call it a Noah’s Ark for an era of melting polar ice sheets. An audacious plan to respond to climate change by building a city of floating i(...)

Steve Johnson takes a ferry to the site of his brother Scott’s death in 1988, in Sydney, last month. Australian authorities are reviewing the deaths of 88 men between 1976 and 2000 to determine whether they should be classified as anti-gay hate crimes. Photograph: Matthew Abbott/The New York Times

On a December day in 1988, a teenager on a spearfishing expedition found a body at the bottom of one of the wild, honey-coloured sandstone cliffs tha(...)

Denis Bergin on graduation day in 1966 with his parents Richard and Mary.

On a recent Sunday, some 40 elderly men gathered to mark 50 years since graduation. The Maynooth Class of 1966. Back in September 1963, dressed in uni(...)

Life likely developed on many planets but then just disappeared due to runaway cooling or overheating, say a team of astrobiologists in Australia. Photograph: Thinkstock

The search for extra terrestrial life on distant planets has turned up nothing because ET and others like him have probably gone extinct. Life likel(...)

A policeman holding a military type shotgun, one of 4,500 guns on display in Sydney in  1997 before being melted down. Photograph: William West/AFP/Getty Images

In the continuing debate over how to stop mass killings in the United States, Australia has become a familiar touchstone. President Barack Obama has c(...)

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