In mid-May, cool waters and abundant sunlight provoked a widespread phytoplankton bloom.
Published May 21, 2022
At least eight major events have darkened skies and sickened people in the past six weeks.
Published May 17, 2022
A blizzard, multiple rainstorms, and melting winter ice swelled rivers out of their banks and across a flat floodplain in Minnesota, North Dakota, and Manitoba.
Published May 11, 2022
The pair of weakening storms probably will not bring catastrophe to land, but they lined up and put on a show for satellites.
Published May 9, 2022
The fast-moving blaze charred grassland in eastern Mongolia.
Published Apr 21, 2022
