Australia is not only the smallest continent but also Earth's largest island. But the land Down Under wasn't always so isolated; it was once part of a bigger supercontinent. So when did Australia ...

Our planet does some weird stuff that escapes our notice simply because of scale. The Earth spins faster during an El Niño year—or after some earthquakes—but we’re never going to miss a millisecond ...

SYDNEY - The island continent of Australia was once three continents which collided 1.64 billion years ago, a new study has found, prompting speculation of new mineral deposits in the outback.

Explaining whether Australia is classified as an island, a continent, or both, based on geological definitions.

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Across the planet, water makes up 71% of Earth's surface. The remaining space is covered by land—continents and islands. Before Earth's land formed the seven continents in the present day, all the ...

About 155 million years ago, the continent of Argoland broke off from its home, the supercontinent Gondwana, drifted to the northwest, and — confoundingly — disappeared. What happened to this lost ...