Space Telescope Science Institute
Every Cosmic Herald story on Space Telescope Science Institute — missions, launches, discoveries, and the business of space, newest first.
-
Astronomy
JWST Finds the Same Star-Formation "Recipe" in a 13-Billion-Year-Old Galactic Fossil
JWST resolved over 10,000 faint stars in the ancient dwarf galaxy Boötes I and found its initial mass function matches the Milky Way's, hinting that the rules of star formation may not change even in near-primordial conditions.
-
Astronomy
Webb's 'Little Red Dots' Turn Out to Be the Tip of a Supermassive-Black-Hole Iceberg
A nearby spiral nicknamed 'the Saguaro' just gave astronomers the missing piece of the little red dot puzzle: faint, buried X-rays confirming these mysterious JWST objects are ordinary black holes caught in an unusually obscured growth spurt.
-
Astronomy
Hubble Watches a Nova Fire 'Bullets' Through the Milky Way at 20 Million MPH
Hubble imagery reported July 24, 2026 shows a nova launching dense clumps of ejected material across the galaxy at roughly 20 million mph — and astronomers still can't explain where the projectiles come from.
