Trump Administration officials have pulled out of talks with California over fuel economy standards for cars.
Scientists are working to clean up small dimples on Georgia O’Keeffe’s paintings caused by the aging of pigments.
Four telescope projects have been nominated to be NASA’s next great observatory. But who will win the Oscars of space?
The Beresheet lunar lander’s $90 million budget came mostly from private funders.
The worst flood in California history was once thought to be incredibly rare. But new data—and climate change—are changing the equations.