Nature Giant 19-metre-long octopuses may have ruled the ancient seas Researchers studied the jaws of 15 ancient octopus fossils to determine how big the creatures may have been. 24/04/2026
Earth News Ghost fishing gear: Trackers and robots help clean up Portugal's seas The NETTAG+ project, funded by the European Union, aims to combat fishing waste and mitigate its effects on marine life. 21/04/2026
Nature ‘Unbelievable’: Rare footage shows whales support birth of calf “It's amazing: when faced with this impossible challenge, these animals come together to succeed,” says Project CETI's Shane Gero. 27/03/2026
Climate Europe’s warming oceans are losing fish faster than we thought Researchers warn against falling for 'fool's gold' of rising fish numbers spurred by marine heatwaves. 18/03/2026
Earth News Ocean Pact to Ocean Act: Can the EU save its seas and fisheries? From sustainable fishing quotas to sabotage of undersea cables, ocean issues will take the spotlight this March at European Ocean Days. 01/03/2026
Nature Teenagers often dress to look older – new study shows fish do it too Highly territorial, clownfish use colour patterns and size as markers of their social rank. 22/02/2026
Earth News Environment Chief points to science-led recovery of oceans At the World Governments Summit in Dubai, Dr. Shaikha Salem Al Dhaheri shares how environmental regulation has transformed Abu Dhabi's coastline. 13/02/2026
Nature Giant phantom jellyfish spotted in Argentina's deep sea A rare phantom jellyfish has been spotted by scientists aboard Schmidt Ocean Institute's vessel exploring the deep sea near Argentina. 05/02/2026
Earth News Scientists warn shark bites are linked to climate change. Here’s how Following four attacks in 48 hours, one scientist has warned that climate change could be increasing the risk of shark bites. 03/02/2026
Earth News Why trawling is still allowed in protected Scottish waters Environmentally damaging fishing practices continue across Europe even in protected areas, conservation groups say. 23/01/2026
Nature Sharks' teeth could grow weaker as ocean acidifies, study shows Scientists have linked the burning of fossil fuels to the ongoing acidification of the ocean. 19/01/2026
Earth News Pipeline operator faces record fine after Gulf of Mexico oil spill Regulators say the 2023 spill off Louisiana could have been far smaller if risks had been addressed sooner. 06/01/2026
Earth News How microplastics are impairing the ocean’s ability to absorb CO2 Microplastics are interfering with the ocean’s role in regulating Earth’s temperature, researchers warn. 06/01/2026
Nature North Atlantic right whale numbers slowly rise after years of decline Stronger laws are needed to protect the endangered whales, experts urge, 06/01/2026
Earth News What does 2026 hold for the world's oceans? A year of reckoning for the world’s oceans: Euronews looks ahead to 2026, from the High Seas Treaty and deep-sea mining to ocean summits and EU marine policy. 28/12/2025
Earth News Polar bears may be ‘rewriting’ their own DNA to adapt to climate Polar bears face “total extinction” by the end of this century, but scientists have found a small beacon of “hope”. 13/12/2025