SBS News In Depth Folgen

An investigation is underway into what caused the deadliest aviation disaster in the United States in almost a quarter century. No survivors are expected from the midair collision between an Army helicopter and an American Airlines flight.

The Denman glacier in East Antarctica is one of the largest and fastest melting glaciers on the continent, and yet little is known about what’s causing the accelerated retreat. But over the past three years Australian scientists have collected tonnes of rock and ice-core samples from the largely untouched region. It's hoped their research will contribute to much greater understanding of what's taking place.

More than 50,000 displaced Palestinian residents have returned to northern Gaza, after Israel opened a corridor into the Strip. Some Australians with missing family are preparing to travel to the region to search for their loved ones, despite official advice not to travel there.