Third-largest ocean, bounded by Asia, Africa and Australia
The United States is evaluating a direct purchase of the Chagos Islands from Mauritius as UK plans to cede sovereignty stall. A plan would sidestep the UK and secure the Diego Garcia base, while political opposition in Britain and exile Chagossan leaders push back. Several options are being discussed, with Trump officials weighing risks of aligning with Mauritius and China concerns.
Researchers reveal a vast whale graveyard in the southeastern Indian Ocean, extending to depths of 7,000 metres and spanning hundreds of kilometres. The site hosts hundreds of fossil skeletons and five modern whale falls, highlighting a thriving deep-sea ecosystem that feeds on whale carcasses. The findings, published in Nature, deepen understanding of deep-sea life and whale evolution.