Hubble Space Telescope

Extraordinary black hole found in neighboring galaxy

It is one of the only confirmed intermediate-mass black holes, an object that has long been sought by astronomers.


Illustration of the telescope. A honeycombed-shaped golden mirror sits on top of a pink silver sun shield below floating in space.

Watch launch of biggest, most powerful telescope

U astronomer Anil Seth explains why the launch of the James Webb Space Telescope was a cosmically huge deal.


SUPERMASSIVE BLACK HOLES

Black holes may lurk in most ultra-compact dwarf remnants of shredded galaxies.