Q: My neighbors’ front porch light is green, rather than white or yellow. I know that a blue porch light signifies support for the police (and autism awareness), but I have no idea what a green ...

A stunningly spooky scene brewed on a Nevada lake in the weeks leading up ... These swirls are blue-green algae, or cyanobacteria.” The photo was captured Oct. 8 by the Landsat 9 satellite ...