PARIS — Astronomers said on Wednesday they have found the strongest evidence yet of a medium-sized black hole, the strange absence of which has been one of the enduring mysteries of the cosmos.

The universe is riddled with black holes, from supermassive ones at the heart of galaxies to smaller ones around 100 times the mass of the Sun.

Premium + Digital Edition

Ad-free access


P 80 per month
(billed annually at P 960)
  • Unlimited ad-free access to website articles
  • Limited offer: Subscribe today and get digital edition access for free (accessible with up to 3 devices)

TRY FREE FOR 14 DAYS
See details
See details