This prehistoric cave system in regional Victoria is one of Australia’s biggest lava tube networks
Just a four-hour drive from Melbourne, the Byaduk Caves are a mind-blowing underground network stretching for around 24,000 metres ...
Morning Overview on MSN
Scientists stash ancient ice in a tiny frozen vault beneath Antarctica
On a high, wind-scoured plateau of Antarctica, scientists have carved a small frozen vault into the ice and begun filling it ...
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