Life
Dolphins spotted swimming in New York City鈥檚 Bronx River
Once an industrial waste dumpsite, the Bronx River is now healthy enough to host marine species 鈥� including dolphins 鈥� that it hasn鈥檛 seen in years
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Life
Web of blood vessels helps protect whales鈥� brains while swimming
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Life
Whale songs can spread between groups nearly 8000 kilometres apart
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Life
Deepwater Horizon oil spill linked to changes in dolphin gene activity
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Life
Dolphins queue up to rub against corals with antibacterial properties
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Life
Dolphins who are hand-fed by tourists are less social than their peers
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Life
Fossil hints that orcas don鈥檛 have a long history of killing whales
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Life
Orcas are spreading further into the Arctic Ocean as sea ice melts
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Life
Risso鈥檚 dolphins have invented rapid spin-dive technique for hunting
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Life
The Amazon’s pink river dolphin population is in free fall
The population of botos, river dolphins found in the Brazilian Amazon, is declining due to fishing with gill nets and is predicted to fall by at least 95 per cent in less than 50 years
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Life
Dolphins spotted trapping fish in mud rings in the Caribbean
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Technology
Secret underwater messages can be hidden in whale and dolphin chatter
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Environment
Dolphins that help humans catch fish are being disturbed by ship noise
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Life
Whales and dolphins can resist cancer and their DNA reveals why
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