Scientists at China's Beihang University developed a tiny morphable robot to explore the ocean's depths — and it's now taken a dive into the Mariana Trench. The team successfully demonstrated that its ...

The lightless deep sea is swirling with life. New footage captured in the "twilight zone" — areas of the ocean starting at around 100 meters (330 feet) deep where sunlight can't reach — reveals a ...

Researchers have unveiled plans to investigate the mysterious production of ‘dark oxygen’ on the sea floor — large amounts of the gas that seem to be coming from a region too deep for sunlight to ...