Koala numbers crashed across Australia 100,000 years ago. Global glacial cycles are likely to blame

A new study rewrites our understanding of the iconic marsupial’s history in Australia.

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Nautilus

Koalas Were in Trouble Before Humans Arrived in Australia

DNA evidence points to environmental upheaval as a cause of their Late Pleistocene decline The post Koalas Were in Trouble Before Humans Arrived in Australia appeared first on Nautilus.

Devin Reese·Jun 9, 2026

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The Conversation

Climate change is threatening sheep farmers in South Africa’s Drakensberg – how they’re adapting

Climate change is threatening sheep farming in South Africa’s Drakensberg. Farmers are adapting but need mountain infrastructure, better climate warnings and vets.

Simbarashe Ndhleve, Research Scientist: Centre for Global Change, Walter Sisulu University·Jun 8, 2026

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The Conversation

A meteorite impact may have once rained gold on Western Australia – new study

Here’s what happens when a rock from space smashes into a goldfield.

Raiza R. Quintero, Assistant Professor, Department of Geology, University of Puerto Rico - Mayagüez·Jun 10, 2026

Nautilus

Vast Hidden Structure Discovered Beneath Antarctica

The massive formation is older than the continents The post Vast Hidden Structure Discovered Beneath Antarctica appeared first on Nautilus.

Jake Currie·Jun 8, 2026

National Geographic

This creature was dubbed the Sasquatch of the sea. Scientists just found it.

A decade after they vanished from the ocean, the discovery of this lost colony of sunflower sea stars offers new hope for California's kelp forests.

7 min read

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bioGraphic

Life in the Last Ice Age, as Told by Squirrel Scat

Ancient DNA, preserved for 700,000 years in ground squirrel poop, offers a new view of Pleistocene ecology. The post Life in the Last Ice Age, as Told by Squirrel Scat appeared first on bioGraphic.

bioGraphic·Jun 9, 2026