Climate change and overfishing can increase how much mercury accumulates in fish, counteracting efforts to reduce human-caused emissions.
Posts published by “Carolyn Gramling”
A heat wave is melting Greenland’s ice and fueling blazes across the Arctic that are pumping record amounts of carbon dioxide into the air.
A newly discovered spaceship-shaped predator raked through the Cambrian seafloor in search of food.
Temperatures at the end of the 20th century were hotter almost everywhere on the planet than in the previous two millennia.
Around the United States, groundwater wells are getting deeper in search of new sources of freshwater, a new study shows.
A flexible bone that helps with chewing may have helped give rise to the Age of Mammals, a new fossil shows.
Sea level rise led to record-breaking tidal flooding in cities along the U.S. East Coast, a NOAA report found.
After back-to-back quakes, scientists are scrambling to figure out which faults ruptured and what it means for future California quake activity.
A 99-million-year-old fossil holds a bird with an oddly long toe, which might have helped the critter hook hard-to-reach dinners.
Nutrient-rich water from the Amazon River may be helping massive seaweed mats to flourish each summer in the Atlantic Ocean.