Trapped somewhere between the big ideas of "2001" and the fun of a galaxy far, far away, this 1979 movie is a true space oddity.

Recent observations suggest that 'runaway' black holes are tumbling through the cosmos. Building on decades of theory, the discovery adds a remarkable new chapter to the story of the universe.

What if the Milky Way’s central “black hole” isn’t a black hole at all? A new model proposes that an ultra-dense dark matter core could mimic its gravitational pull.

Ever since humans first gazed up at the night sky, the Universe has filled us with awe and wonder. Lately, however, it's also inspired a new question: "What if everything we know is inside a black ...