This story was originally published by CalMatters. Sign up for their newsletters. Just weeks after a mountain lion wandered ...

Scientists and advocates say that mountain lions are running out of time: physical signs of inbreeding, including kinked tails, testicular defects and malformed sperm, have already cropped up in ...

The latest bout of brutally cold weather that has beset the eastern U.S. for weeks sent wind chills into the negative teens ...

Researchers at the University of Kansas have shown the National Severe Storms Laboratory’s Warn-on-Forecast System (WoFS) has ...

Researchers at the University of Kansas have shown the National Severe Storms Laboratory’s Warn-on-Forecast System (WoFS) has potential to help weather forecasters issue warnings to emergency managers ...

There's a confounding dilemma for many folks trying to make sense of winter weather in the context of climate change.

Winter has a colorful vocabulary all its own. Polar vortex, bomb cyclone, black ice, sundogs, and snow rollers are all more common in, if not unique to, winter.

A warming Arctic can stretch the polar vortex, a high-altitude air ribbon, one says. The “wobble” can disrupt the jet stream, ...

Global climate models capture many of the processes that shape Earth's weather and climate. Based on physics, chemistry, ...

After a major winter storm swept across the country in late January, a prolonged surge of Arctic air tightened its grip on ...

The bitter cold temperatures that have left a chill over the eastern half of the country aren't going anywhere, as a major ...