A solar explosion called a coronal mass ejection is poised to graze Earth on Friday or Saturday (Jan. 24 or Jan. 25), potentially triggering colorful auroras over the northern U.S.

Satellite imagery from the National Oceanic and Atmospheric Administration Wednesday showed the extent of the snow that covered the South.

Officials and environmental organizations are hoping Atlantic salmon and other migratory fish will return upriver.

Sea creatures may not always get top billing when it comes to cuteness, but this pink juvenile king crab stole some hearts after scientists brought it to the surface.

NOAA Fisheries’ scientists will watch for potential effects on fisheries and marine life, including anchovy eggs abundant in waters downwind of the fires. They have collected samples both before and ...