It connects to the Arctic Ocean through the Bering Strait ... at the frontline of China’s efforts to assert its territorial claims in disputed waters in the South China Sea.

The types of carbon and oxygen atoms found in the lines can point to whether the clams’ habitat was dominated by deep Arctic water or warm surface currents from the south. No other organism has ...

Russian explorers have planted their country's flag on the seabed 4,200m (14,000ft) below the North Pole to further Moscow's claims to the Arctic. The rust-proof titanium metal flag was brought by ...