with the polar vortex winds sharply decelerating, and then more gradually slowing down as we head into March [footnote 2]. Observed and forecasted (NOAA GEFSv12) wind speed at the 10-hPa pressure ...

It’s really, really cold again — as the US shivers through at least the eighth blast of air from the Arctic this winter. Winter, which is warming faster than any other season for much of the ...

Heavy snow falls as a person walks along U.S. Route 42 in Florence, Ky., Monday, Jan. (Copyright 2025 The Associated Press. All rights reserved.) From reproductive ...

This new method describes an experimental concept called ultrafast vortex electron diffraction, which allows for direct visualization of electron movement in molecules on attosecond timescales.