On July 25, 2019, a helicopter pilot flying a U.S.Geological Survey mission over Kīlauea noticed an unusual green patch at the bottom of Halema‘uma‘u, the crater at the summit of the volcano.

New research from the University of North Carolina at Chapel Hill compares the growth rates between nearshore and offshore corals in the Belize Mesoamerican Barrier Reef System, the world’s second-largest reef system. 

When Friederike Gründger and her team cracked open the long, heavy cylinders of black sediment drawn from the ocean floor, they were surprised to find pockets of yellowish-green slime buried within two of the samples. 

Soil scientists can’t possibly be everywhere at once to study every bit of soil across the planet. 

On many evenings during spring and fall migration, tens of millions of birds take flight at sunset and pass over our heads, unseen in the night sky.

Temperate grasslands are the most endangered but least protected ecosystems on Earth.

Arizona State University is leading the effort to help Hawaiians save the reefs by providing real-time monitoring in support of DAR's efforts.

Scientists report how increasing nutrients has caused harmful blooms in diverse waters.

Scientists aim to understand what happened during permafrost thawing periods in the past and predict how present-day global warming may affect permafrost and what this could lead to.

Climate change is increasing the number of days of extreme heat and decreasing the number of days of extreme cold in Europe, posing a risk for residents in the coming decades, according to a new study.