Star orbiting black hole

Black Holes

Heavyweight Black Hole Find Mystifies Astronomers

Observations of a star have found it orbiting an unexpectedly massive black hole. If the discovery pans out, it would change our understanding of how massive stars die.

Artist's concept of MAXI J1820+070

Black Holes

How “Light Echoes” Revealed a Black Hole’s Feeding Habits

Astronomers are taking a cue from bats, using a method similar to echolocation to map out the feeding environment around a black hole.

X-ray binaries around galactic center (art)

Black Holes

Our Galaxy's Center Might Hold Thousands of Black Holes

A new study has uncovered a dozen stellar-mass black holes within 3 light-years of the supermassive black hole at our galaxy’s core — and these might be just the tip of the iceberg.

Black hole accretion disk + jet

Black Holes

Astronomers Decode a Black Hole Jet

Two telescopes — one on the ground and one in space — watched a black hole’s jet turn on, enabling astronomers to probe its origin.

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