A record-setting "dead zone," where water doesn't have enough oxygen for fish to survive, has appeared this summer. One major cause is pollution from farms.
An earthquake of preliminary magnitude 4.2 hit Wednesday night. Earthquakes used to be rare in Oklahoma. Scientists say they're linked to the disposal of wastewater from fracking.
Animals are depicted in rock art in more than 100 countries, not just in the famous "painted caves" of Europe. Barbara J. King talks to an archaeologist with a global view of human meaning-making.
In experimental embryos, scientists were able to repair the gene that causes a serious heart disorder. More research is needed to confirm the method would produce healthy babies, they say.
The Trump administration seeks to roll back and delay dozens of regulations across government, including one to lower smog-creating ozone. Environmental groups are challenging the EPA in court.
"I have no illusions about the possibility of changing Donald Trump's mind," he says. Instead, the former vice president wants to build bipartisan consensus to address the crisis.
Two new studies suggest that changing atmospheric conditions could reduce protein and iron in food, leading to more health problems for people in countries where malnutrition is already a problem.
Cold War-era tactical bombers specially equipped with stabilized telescopes will fly over the central United States on Aug. 21, taking detailed observations of the Sun's atmosphere.
Researchers have created an artificial neural network that analyzes an image of a dish and tells you how to make it. Still in the early stages, the technology might help improve our dietary health.
Unfortunately, we are failing in the goal to make our children's world better than our own — and those who deny it won't have to see the consequences of their choices, says blogger Marcelo Gleiser.