As it passed mere millimetres from my body, the cetacean released a massive cloud of excrement that covered me head to fin, filled my snorkel and turned the water a dark brown.

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Harmful algae blooms have been rapidly producing in a place previously too cold to host the toxin: the Arctic. And climate change over the last several decades is to blame, according to new research.

Whales of all shapes and sizes play a significant role in the health of marine ecosystems. About 50% of the air humans breathe is produced by the ocean, thanks to phytoplankton and whale waste. The ...

Deborah Giles and her dog Eba track whale poop to help save endangered orcas. Orca researcher Dr. Deborah Giles and her scent-detecting dog, Eba, are racing to save the southern resident killer whales ...