Mystery solved: Scientists ID Caribbean sea urchin killer

Last year, sea urchins in the Caribbean started getting sick—shedding their spines, dying off and throwing reef ecosystems into chaos. Now, scientists think they've caught the killer in this marine murder mystery.

Examining asphalt volcanoes' natural communities

Santa Barbara Channel's natural oil seeps are a beach-goer's bane, flecking the shores with blobs of tar. But the leaking petroleum also creates fascinating geologic and biologic features. About 10 miles off the coast of ...

Radiation risk at historic WA nuclear test site 70 years on

More than half a century since Britain conducted the first nuclear tests in Australia, at the Montebello Islands in WA's north, marine scientists have discovered there remains a radiation risk to marine life and tourists.

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