Sedimentary deposits containing well-preserved diatom cells record a lake’s environmental changes. Studying them can help us understand the impacts of climate change.

Officials say the red tide bloom is expanding, but the event is not unexpected, as NOAA satellites have been tracking ...

According to the latest update from the Florida Fish and Wildlife Conservation Commission, Karenia brevis, the organism responsible for red tide, was detected in 75 samples collected from the Gulf ...

Under the sea ice during the Arctic’s pitch-black polar night, cells power photosynthesis on the lowest light levels ever ...

The Arizona Department of Environmental Quality has confirmed the presence of harmful algal blooms in Lake Havasu.

The world's biggest iceberg -- more than twice the size of London -- could drift towards a remote island where a scientist ...