NASA researchers say their teams can tell the difference from November to December because of the variation in illumination caused by Christmas light displays. Skip Navigation Share on Facebook ...

Scientists expect the northern lights to be visible along the Canadian border and in parts of Washington, Idaho, Montana, North Dakota, South Dakota, Minnesota, Wisconsin and Michigan Monday.

The holiday spirit is pervasive and undeniable, with festivities reaching 200,000 light years away. Celestial bodies are celebrating. Just in time for Christmas, NASA spotted a star cluster ...

By 5 a.m. Eastern Time, the planetary K-index (Kp) had risen to 8—just below the level 9 typically needed for significant aurora visibility in the Carolinas.