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Aliens Could Use Black Hole for Energy
In 1969, physicist Roger Penrose proposed a theory that extraterrestrial beings could harness energy from a black hole by lowering an object into its ergosphere.
Active Black Hole in Milky Way
The black hole at the center of the Milky Way galaxy recently lit up brightly, with the afterglow of Sagittarius A*’s last major activity still
First Medium-Sized Black Hole Discovered
Astronomers have made a groundbreaking discovery of a medium-sized black hole in the Messier 4 globular cluster, which is closer to our solar system than
First Photo of Black Hole with Jet
A group of radio telescopes has come together to create a virtual antenna the size of the Earth, capturing a joint image of the M87
Time Travel Without Causal Paradoxes
Time travel has long been considered impossible due to the existence of causal paradoxes in classical physics. However, a new study suggests that time travel
