The Veil Nebula, located about 2,400 light-years away in the constellation Cygnus, is the visible portion of that larger Cygnus Loop, a vast supernova remnant created by the explosion of a star about ...

A seasonal black moon, to appear on August 22 or 23, is the third of four new moons within an astronomical season ...

Several major antagonists in Sailor Moon may share a connection to the series' main source of evil in the universe.