As demand for critical metals grows, scientists have taken a rare, close look at life on the deep Pacific seabed where mining ...

In 2011, a Swedish diving team searching for shipwrecks discovered a massive, circular formation deep beneath the Baltic Sea.

Metro's travel experts have rounded up the best destinations for an intimate escape, based on the cost of food, drinks and ...

Beluga whales can disappear beneath Arctic sea ice for long stretches, which makes them far tougher to follow than many other whale species. That is why researchers have increasingly turned to ...