Researchers at Sweden's University of Gothenburg discovered two meteor impact craters that occurred simultaneously, some 458 million years ago.
Supermoons and lunar eclipses are both somewhat rare, but it can take decades for both to occur at the same time.
The record-low Sierra Nevada snowpack was another indication of the severity of California's drought, which is affecting everything from agriculture to hydropower generation.
A strong El Niño is going to contribute to a rise in global temperatures and major weather shifts over the next year, says Britain's Met Office.
New Horizons, the spacecraft that keeps on giving, sent back more shots of Pluto, and they're the sharpest yet.