Mercury levels in fish are rising despite reduced emissions

Climate change and overfishing can increase how much mercury accumulates in fish, counteracting efforts to reduce…

The Arctic is burning and Greenland is melting, thanks to record heat

A heat wave is melting Greenland’s ice and fueling blazes across the Arctic that are pumping…

This newfound predator may have terrorized the Cambrian seafloor

A newly discovered spaceship-shaped predator raked through the Cambrian seafloor in search of food.

How today’s global warming is unlike the last 2,000 years of climate shifts

Temperatures at the end of the 20th century were hotter almost everywhere on the planet than…

U.S. wells are pumping up groundwater from increasing depths

Around the United States, groundwater wells are getting deeper in search of new sources of freshwater,…

A flexible bone that helps mammals chew dates back to the Jurassic Period

A flexible bone that helps with chewing may have helped give rise to the Age of…

‘Sunny day’ high tide floods are on the rise along U.S. coasts

Sea level rise led to record-breaking tidal flooding in cities along the U.S. East Coast, a…

3 questions seismologists are asking after the California earthquakes

After back-to-back quakes, scientists are scrambling to figure out which faults ruptured and what it means…

An ancient bird found encased in amber had a bizarrely long toe

A 99-million-year-old fossil holds a bird with an oddly long toe, which might have helped the…

The largest seaweed bloom ever detected spanned the Atlantic in 2018

Nutrient-rich water from the Amazon River may be helping massive seaweed mats to flourish each summer…