Plus: President Donald Trump announces new tariffs for copper, Brazil and more. | Death tolls rise in the flooding disasters ...

Researchers have measured toxins in scat samples from 205 bowhead whales from the Beaufort Sea, collected over 19 years, and ...

Satellite observations have revealed that sea ice in the Arctic is once again hovering near record lows for this time of year ...

Harmful algae blooms have been rapidly producing in a place previously too cold to host the toxin: the Arctic.

The Greenland shark - the world's longest-living vertebrate - is most often associated with cold Arctic waters. However, a ...

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High-accuracy sea ice monitoring is of great significance in responding to global climate change and guiding safe navigation. The moderate resolution imaging spectroradiometer (MODIS) sensors carried ...

Because salt water draws up heat from the deep ocean and makes it harder for sea ice to regrow - as well as bringing up ...

New research challenges the long-held belief that the Arctic Ocean was covered by a massive ice shelf during ice ages.

For decades, scientists believed the Arctic Ocean was sealed under a massive slab of ice during the coldest ice ages — but new research proves otherwise. Sediment samples from the seafloor, paired ...