One little boy exemplifies the good-works nature of Earth Day
Send us photos and videos of your hiking, biking, trash-collecting, energy-saving, water-conserving selves in action
Islands and shorelines remain spoiled, waiting for cleanup money
Send us photos, videos and stories illustrating how your shores and communities are rebounding—or not—from the Deepwater Horizon oil spill
The moon, sun and some shenanigans between them brought a 14-meter tide to the coast of France
What would happen if the Yellowstone supervolcano erupted?
Human-induced drying in many societies can push tensions over a threshold that provokes violent conflict
Let's be clear: The planet is still getting hotter. The so-called pause, or hiatus, in global warming means the rate of temperature rise has slowed.
Energy versus water versus food. Watch our livestream at 8:00 p.m. EST
A new, national survey released by the University of Michigan has found that 50 percent of parents who have teenage children would support later start times for high school.
The Southwest and central Great Plains will dry out even more than previously thought
Outbreaks have been numerous and unpredictable
Farmers testify that certain crop diseases like wheat rust seem to spread much farther and faster after a rainstorm. Researchers had various ideas on why this might be the case.
Five years go an impressive, international group of scientists unveiled nine biological and environmental "boundaries" that humankind should not cross in order to keep the earth a livable place.
Scientists and the public differ in the research they find most interesting
Twitter, mainstream media and academic blogs focus on surprisingly different scientific subjects
San Francisco — Although polar bears and seals have become the poster children for vanishing sea ice in the Arctic, they have thrived for a long time.
San Francisco — The energy released by a lightning bolt is so strong that it creates an intense flash of light and usually loud thunder.
Teens stay up late at night and sleep late into the morning, a result of a natural shift in their circadian rhythms. That biological schedule puts them at odds with the adult world, as well as early start times for high school.
The chemicals attack taste buds while the brain associates nausea with eating