![Reef scene off the coast of St. Croix, USVI [Photo credit: NOAA CCMA Biogeography Branch]](https://i0.wp.com/astrobiology.com/wp-content/uploads/2025/07/How-Earths-Biomass-Changed-Over.jpg?resize=1200%2C717&ssl=1)
In a first-of-its-kind study, Stanford researchers have measured how the abundance of ocean life has changed over the past half-billion years of Earth’s history.
Cretaceous-Paleogene extinction event
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Ocean Planet Biodiversity Genomics
The deep sea, covering approximately 65% of Earth’s surface, has long been considered a biological desert. In this extreme environment—particularly in the hadal zone at depths greater than 6,000 meters—organisms […]