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 ...

For years, scientists have debated whether a giant thick ice shelf once covered the entire Arctic Ocean during the coldest ...

So ahead of July 4, I thought I’d seek out a bar that honors those origins.

Millions of protesters have denounced President Donald Trump as a would-be autocrat and marched under the banner “No Kings.” ...

Scientists have found evidence that the Asian continent was free of permafrost all the way to its northerly coast with the ...

A massive and surprising change is unfolding around Antarctica. Scientists have discovered that the Southern Ocean is getting saltier, and sea ice is melting at record speed, enough to match the size ...

A sudden salinity spike in the Southern Ocean is accelerating Antarctic ice loss and triggering a dangerous climate feedback ...