The oil leak occurs just a few days before Nebraska state regulators will decide on the fate of TransCanada's controversial sister project, the Keystone XL Pipeline.
Billions of these birds once flew over North America, but the last known passenger pigeon died in 1914. To try to figure out what happened, scientists analyzed DNA from the toes of birds in museums.
Delegates to the annual international climate meeting held by the U.N. are struggling to forge a unified approach to slowing climate change. Meanwhile, emissions of greenhouse gases keep rising.
A NASA visualization uses computer models to show how recent hurricanes shifted salt from the Atlantic, dust from the Sahara and smoke from fires in Portugal and the Pacific Northwest.
Archaeologists say early civilizations in North and Central America were more egalitarian than the societies of Eurasia — and they think it's because early Americans didn't have cattle or horses.
The island is a major center for drug and medical device manufacturing. After Hurricane Maria, those products, including small IV bags, are running short throughout the U.S.
Together, aesthetic awareness and scientific analysis puts us in direct, sensory relationship with the forest and gives us the ability to understand what we see, says author David George Haskell.
Even if you're staying sober, sometimes you might just miss the taste of a really good beer. But the market for high-end booze-free brews has gone largely untapped. That's starting to change.