A huge stretch of the Southern Indian Ocean is rapidly losing its salt, and scientists warn this subtle shift could quietly disrupt global ocean currents and marine life in unexpected ways.

Add Yahoo as a preferred source to see more of our stories on Google. A new study from researchers in Norway, Sweden, Germany, and the U.K. cautions that changes from our overheating planet on a major ...

Even a small slowdown to one of Earth's major ocean currents could nearly halve the rainfall over parts of the planet's rainforests, fueling droughts that could accelerate climate change, a new study ...

Mercury (Hg) is an environmental concern in the Arctic, where high concentrations are found in top predators such as polar bears and toothed whales. Despite declining atmospheric Hg emissions since ...