Explainer: The difference between radiation and radioactivity

On the weekend, a tank of radioactive material leaked from the closed Ranger uranium mine in the Northern Territory. While this has prompted concerns about the health of the surrounding Kakadu National Park, this is a good ...

A croc's life: There's more than meets the eye

Saltwater crocodiles are large predators that lurk in muddy waters, with jaws powerful enough to attack anything from water buffalo to humans... but they are also just big chilled-out lounge-lizards who love to sunbake.

Humpback whales stray up tropical Aussie river

A trio of humpback whales—usually bound for Antarctica this time of year—took a wrong turn, heading up a crocodile-infested north Australian river with scientists hoping Saturday they will all return to the sea safely.

Upcoming eclipse inspires travel to Australia

(AP)—When Linda Bugbee's husband suggested traveling to the South Pacific to see a total solar eclipse, she was more enthusiastic about the cruise and visiting Tahiti than she was about seeing a celestial phenomenon.

Whale swims free of Australian river as 270 are stranded

A humpback whale has found its way back to sea weeks after getting lost in a murky, crocodile-infested river in northern Australia, while an estimated 270 pilot whales became stranded in the country's south.

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