This image of Earth was captured by the MESSENGER spacecraft during a flyby of our home planet on August 2, 2005. Parts of South and North America were in view.
A Korean satellite provides an hourly view of the phytoplankton in the ocean, while also offering a testbed for future ocean-observing satellite missions.
Scientists from NASA are cruising on a research vessel from Tasmania to Tahiti by way of the Southern Ocean. Their objective: gather detailed measurements of Pacific sea water that will be used to validate satellite measurements
Fall storms often hinder ecological research in the vicinity of the North Atlantic, but in 2015, scientists made observations from ship, aircraft, and satellite.
The waters off of southwestern Africa are some of the most biologically productive in the world. They also provide a compelling backdrop for exploring how satellite sensors can reveal important details of the ocean.