Tonga eruption equivalent to hundreds of Hiroshimas: NASA

The Tonga volcanic eruption unleashed explosive forces that dwarfed the power of the Hiroshima atomic bomb, NASA scientists have said, as survivors on Monday described how the devastating Pacific blast "messed up our brains".

Early-warning system to prevent fishery collapse discovered

Threats from overfishing can be detected early enough to save fisheries— and livelihoods —with minimal adjustments in harvesting practices, a new study by researchers in the University of Minnesota's College of Biological ...

Oil from spill in Brazil washes up in Rio state

Oil from a spill that has contaminated a stretch of Brazil's coast was detected in Rio de Janeiro state, the navy said Saturday, as President Jair Bolsonaro warned the country was preparing for the worst.

Mystery oil spills blot more than 130 Brazilian beaches

The source of large blots of oil staining more than 130 beaches in northeastern Brazil remained a mystery Tuesday despite President Jair Bolsonaro's assertions they came from outside the country and were possibly the work ...

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