Not everything in the far north appears ready to hibernate for the winter.
Image of the Day Water Snow and Ice Water Color
The summer season is a prime time to observe colorful displays of phytoplankton in the Labrador and Barents seas.
Image of the Day Life Water Remote Sensing Water Color
There are a few possible reasons why the phytoplankton-rich waters of this high-latitude sea appear both green and turquoise blue.
Image of the Day Life Water Water Color
Tampa Bay is teeming with Karenia brevis months before it usually blooms.
When conditions are right, microscopic plant-like organisms called phytoplankton reproduce abundantly and create colorful patterns on the ocean surface that satellites can observe from space.
Life Water Water Color
Rich in quartz, limestone, and algae, the Great Lake is also rich with seasonal color.
Image of the Day Water Water Color
A May phytoplankton bloom left its mark on coastal waters.
Springtime ocean conditions promote North Atlantic blooms, but you wouldn't know that from looking with human eyes.
Image of the Day Water Remote Sensing Water Color