NASA's Surface Water and Ocean Topography - SWOT - satellite launched on December 16. It's an international mission to observe water on Earth's surface.
Scientists have learned from new research how plants control their 'mouths.' That is, they've learned the mechanism that lets plants breathe in carbon dioxide.
Mauna Loa volcano in Hawaii is erupting for the 1st time in 38 years. As of this morning, the Hawaiian Volcano Observatory reports "no property is at risk."