Four car manufacturers strike a deal with California despite newly lax EPA rules.
The Amazon Rainforest may soon be classified as a savanna instead of a rainforest, due to accelerating deforestation. What does that mean for the planet?
New studies show that sunscreen ingredients can stay in your bloodstream days after you apply it.
Native Hawaiian scientists support the pursuit of knowledge—but question the human cost.
The Ebola crisis in the D.R.C. is now the second biggest outbreak on record. That, and other science stories in the news this week.