LiquiGlide has found a way to make the interiors of some bottles permanently wet and slippery. That keeps substances like ketchup from sticking inside.
The Magnetospheric Multiscale mission, consisting of four identical spacecraft, will study a phenomenon that is key to understanding solar storms.
Enceladus, a moon of Saturn, appears to have a roiling ocean with hydrothermal vents, while Ganymede, orbiting Jupiter, may have an ocean under ice, researchers report in two new papers.
NASA engineers are diagnosing an electrical problem on the Curiosity Mars rover, which may limit the drilling of rocks.
The spacecraft, launched in 2007, is now circling Ceres in the asteroid belt between Mars and Jupiter.