This important study demonstrates that a peri-nuclear actomyosin network, present in some types of human cells, facilitates kinetochore-spindle attachment of chromosomes in unfavorable locations - ...

Respiratory supercomplex formation relieves molecular strain of mitochondrial membranes and reshapes global protein motions, linking membrane reorganization to respiratory function.

Imagine trying to design a key for a lock that is constantly changing its shape. That is the exact challenge we face in ...

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The bitter cold temperatures that have left a chill over the eastern half of the country aren’t going anywhere, as a major disruption to the polar vortex is coming this month. While the cold is not ...

For new readers, here’s a brief overview. The Polar Vortex is a large scale winter circulation over the Northern Hemisphere. Imagine it as a spinning wall of wind above the polar regions, stretching ...

As the sea ice melts due to climate change, the trend of polar bears getting thinner and having fewer cubs has been well documented in areas such as Baffin Bay, a stretch of ocean between Greenland ...

When news breaks, you need to understand what actually matters — and what to do about it. At Vox, our mission to help you make sense of the world has never been more vital. But we can’t do it on our ...

Rising temperatures and rapidly melting sea ice threaten polar bears across the Arctic. But the bears living 800 miles north of the Arctic Circle have stayed surprisingly fat, researchers report ...

Severe temperatures are expected to dominate most of the country in the coming days, with single-digit temperatures forecast for parts of the Northeast. Overall, temperatures will begin to warm in the ...

The finding offers a small window of hope for a polar bear population vulnerable to the effects of climate change. A polar bear (Ursus maritimus) walks on pack ice in Svalbard, Norway. The effects ...