black holes

A strange cosmic object may be at its center.

The brightest radio flashes in the sky likely come from the universe’s most powerful magnets.

The rare moment could teach us about stellar death.

Their work builds upon Einstein’s general theory of relativity.

It’s the largest merger ever detected.

A black hole and a gas cloud pulse together in sync—but why?

We could know for sure in as little as five years.

And more probably lurk nearby.

In-orbit telescopes could help us image black holes like never before.

Astronomers will need additional software, new cameras, and a lot more money to cope with Starlink.