Just as bright moonlight can illuminate an earthly landscape, so bright Earthlight can illuminate a moonscape. That earthly light on the moon is called earthshine.
Hot, bright stars generate harsh stellar winds that are blast ultraviolet radiation toward a protostar, sculpting it into the light-year-long shape seen here.
Scientists say the discovery of this Herpsilochmus stotzi, and 14 other new Amazonian bird species, highlight how little we really know about species diversity in the Amazon.
Astronauts aboard the International Space Station took this panoramic photo looking northeast from a point about halfway along the Aleutian Island chain.