
Black HolesMay 22, 2015
Giant Black Holes May Be on a Collision Course
Astronomers have found what may be two supermassive black holes in a quasar due to become one in roughly 21 years

Giant Black Holes May Be on a Collision Course
Astronomers have found what may be two supermassive black holes in a quasar due to become one in roughly 21 years

Seeing Saturn for the First Time Really Opens One's Eyes
Seeing Saturn through a telescope can leave a ringing in one's ears


See Mercury at Dawn and Jupiter All Night Long
This week offers skywatchers an opportunity to catch a rare glimpse of Mercury and to spot Jupiter at its biggest and brightest