Sjogren's syndrome is an autoimmune disease that affects moisture-producing glands and tissues, causing dry eyes and mouth, joint pain, mouth infections, and other chronic (long-lasting) symptoms.

The polar vortex is generally an area of low pressure above the Earth’s poles that contains the coldest air. The vortex is more influential during a hemisphere’s winter than in the summer months ...

Each winter, a blisteringly cold ring of wind rapidly circulates clockwise in the stratosphere above Antarctica, forming a polar vortex around the icy continent. This year, however, the polar ...

Earth’s third energy field known as ‘Polar Wind’, which only existed in theory so far, has now been discovered by Nasa after a search that has lasted 60 years. According to the team of scientists, ...

But you could also be experiencing a potentially debilitating condition called gluteal amnesia, or dead butt syndrome. “The name sounds silly, but the side effects are serious,” said Jane ...

“Most recently, China’s premier Li Qiang met with Russian Prime Minister Mikhail Mishustin and agreed to continue to expand their coordination over Arctic issues like shipping and polar ship ...

Two polar bears killed a worker at a remote Arctic radar station in Canada's northern Nunavut territory, prompting an investigation into the rare fatal attack. The employee, who has not been named ...