Satellite imagery shared by the National Weather Service showed a low-pressure system ready to bring "strong winds, rain, and heavier mountain snow," to parts of the Northwest U.S. into Tuesday.

NASA's Aqua satellite ... convection in the storm's center, indicating strengthening. The Atmospheric Infrared Sounder (AIRS) instrument on Aqua captured an infrared image of Ului, formerly ...

REUTERS In addition to creating the Northern Lights, the G3 geomagnetic storm has the potential to interrupt radio frequencies and cause some satellite navigation problems. After the initial ...