In the quest for advanced civilizations, the universe is not often very forthcoming with its answers. But the recent suggestion by Harvard astrophysicist Avi Loeb has set astrophysics and SETI ...

A starship driven by a captive black hole sounds like pure science fiction, yet the underlying physics is brutally literal. A tiny, artificial singularity would convert mass into energy with an ...

Black holes that turn matter into energy could explain dark energy and answer two other cosmic questions. Now, the challenge ...

Black holes are not only central 'engines', they may also quietly reshape their host galaxies from the outskirts," said Dr. AN. Even when located in a galaxy's "suburbs," wandering black holes can ...

Dark star -- A map of forever -- One hundred billion ways to the bottom -- The feeding habits of nonillion-pound gorillas -- bubbles -- A distant siren -- Origins : part I -- Origins : part II -- ...

Black holes are among the most extreme objects in the universe, and now scientists can model them more accurately than ever before. By combining Einstein’s gravity with realistic behavior of light and ...