Star maps and charts are a mainstay of both amateur and professional sky observers. Whether it's on a simple seasonal map or in a comprehensive atlas, the stars listed appear steadfast and constant.

Remember Lost? That early-2000s TV show about a plane crash on a remote island cloaked by a mysterious force field, hidden from every map?Remember “the Others”—the shadowy figures who stalked and ...

Historical observations by Tycho Brahe (1572) and Johannes Kepler (1604) documented the transient appearance of "new stars," later identified as supernovae, which profoundly challenged prevailing ...