Pollution
The animals' bodies contained pollutants not found in dolphins before.
A month’s worth of cool science stories, summed up
Researchers discover hot spot off the coast of Italy with up to 1.9 million pieces of plastic per square meter.
New research finds plastic particles in Arctic snow, in amounts that surprise scientists.
The fate of battleship remains may rest in the hands of countries that don't own the ships.
What goes down our drains could harm the environment.
So-called plastic crystals could open new avenues in the quest to make refrigerators with only solid components.
Researchers saw spikes in hospital visits, inhaler refills and violent crime in areas inundated by wildfire smoke.
Desalination's leftovers may negatively affect oceans and ecosystems.
For 75 years, scientists have been trying to devise a way to make a vast supply of radioactive and chemically dangerous waste at the Hanford Nuclear Reservation safe.
New theoretical models help urban planners understand how residents think about clean air.