Imagine a super-advanced alien civilization that needs insane amounts of energy way beyond our puny solar panels and wind turbines to power their mega-cities, AI overlords, or whatever interstellar ...

These cosmic giants might one day propel our spacecraft, process unimaginable amounts of data, and even reveal advanced extraterrestrials.

Add Yahoo as a preferred source to see more of our stories on Google. As an astrophysicist, I've spent two decades modeling how black holes spin, how that creates jets, and how they affect the ...

The paper suggests a civilization feeding matter into a black hole could harvest energy from it; more excitingly perhaps, the process could be detectable within 17,000 light years. The search for ...

The body is the size of the entire solar system and glows with a brilliant red light billions of light years from Earth ...

Astronomers using the James Webb Space Telescope have identified a strange ultra-bright object from the early universe. Researchers say it may mark a new class of cosmic body and explain many of the ...