Astronomers have captured for the first time the shadow of a black hole and the powerful jet of material emerging from ... or the darkness at the center. The new image captured radio light emitted ...

What's more, when the moon is entering into and later emerging out of Earth's shadow ... It now becomes obvious that the umbral shadow does not create complete darkness on the lunar surface.

In “Out of the Darkness,” Frank Trentmann details the ... World War II casts a very long shadow. As the damage of a lost war became clear and hunger spread, most German citizens saw their ...