A hidden pigment helps ocean algae harness sunlight without getting burned—and it may hold clues for better solar tech.

On August 28, 2009, Kris Niyogi answered selected viewer questions about algae, biofuel, and more. Please note we are no longer accepting questions, but see From Pond Scum to Power and our Links & ...

Algae are a diverse group of aquatic organisms that have the ability to conduct photosynthesis. Certain algae are familiar to most people; for instance, seaweeds (such as kelp or phytoplankton), pond ...

One of the ways coral reacts to abnormal sea temperatures is by expelling tiny algae that lives in its tissues, a process that drives the type of bleaching events that have devastated Australia’s ...