Two recent studies probed ripples in spacetime from cataclysmic black hole events to reveal light in an implausible place and a mystery object in the cosmos.
“If there are some other technological species that are more advanced than we are, then this could be a viable means of transportation for them."
When the supermassive black hole at the center of our galaxy explodes, it likely eviscerates any life close to it. But over longer distances, these bursts of radiation may help life emerge.
A supermassive black hole's eruption blasted for hundreds of millions of years, making it the biggest explosion ever detected since the Big Bang.