It's almost as if they were designed as a sewage monitoring device.
Traces of dangerous heavy metals in soil and water suggest the anthropocene may extend thousands of years before the present.
The all-women Exxpedition mission wants to make the unseen seen, from ocean pollution to women in science.
Not all oil is created equal: Some kinds produce 80 percent more global warming pollution than others.
It turns out humans began polluting the skies 500 years ago—long before the Industrial Revolution.
Sometimes it takes a wide-angle lens to get perspective.
Five reasons this 'hottest year ever' is worse than the last. Besides just being hotter.
Scientists and science historians argue that Ted Cruz, Marco Rubio, and other climate change deniers may be heading up the most “egregiously wrong-headed” Congress in modern times.
New research indicates just how screwed we'd be without the tropics.
A recent study counted 5.25 trillion plastic particles floating in the world's oceans.