Sunday lived up to its name this past weekend, as countless skywatchers in the western U.S. took in a rare annular solar eclipse. (scientificamerican.com)
When Venus crossed the Sun June 8, showing up as a clear black dot to the delight of millions of skywatchers around the world, astronomers noted something less obvious: The amount of sunlight reaching Earth dipped by 0.1 percent for a few hours. (space.com)
From now to 2040, for example, skywatchers around the globe can witness 15 such events. (sciencenews.org)