Earth's deepest ecosystem discovered six miles below the sea

<h2>00:45 The deepest ecosystem ever discovered</h2><p>Researchers have dived down to more than 9,000 metres below the surface of the Pacific and discovered surprisingly complex communities of life living in deep ocean trenches. The new research shows an array of animal life that appears to be using methane as a source of energy. The researchers are planning more dives to learn more about this mysterious ecosystem and how these animals can thrive despite the extreme pressure they face.</p><br><p><em>Research Article:&nbsp;</em><a href="https://www.nature.com/articles/s41586-025-09317-z" rel="noopener noreferrer" target="_blank"><em>Peng et al</em></a></p><br><p><br></p><h2>09:36 Research Highlights</h2><p>A fossilized leg bone reveals an 11-million-year-old fight between a terror bird and a caiman, plus the anti-ageing secret of ‘immortal’ stars.</p><br><p><em>Research Highlight:&nbsp;</em><a href="https://www.nature.com/articles/d41586-025-02308-0" rel="noopener noreferrer" target="_b...