galaxies
Dwarf Galaxies Banished the Darkness and Lit Up the Early Universe
During the Universe's Dark Ages, dense primordial gas absorbed and scattered light, prohibiting it from travelling. Only when the first…
Powerful Jets From a Black Hole are Spawning Star Clusters
Supermassive black holes are messy feeders, and when they're gorging on too much material, they can hurl high-energy jets into…
JWST Sees a Milky Way-Like Galaxy Coming Together in the Early Universe
The gigantic galaxies we see in the Universe today, including our own Milky Way galaxy, started out far smaller. Mergers…
Even if We Can’t See the First Stars, We Could Detect Their Impact on the First Galaxies
For a long time, our understanding of the Universe's first galaxies leaned heavily on theory. The light from that age…
Hubble Sees a Bridge of Stars Connecting Two Galaxies
The poetic-minded among us like to point out how Nature is a dance. If they're right, then galaxies sometimes form…
How Does the Cosmic Web Drive Galaxy Evolution?
Galaxies experience a long strange trip through the cosmic web as they grow and evolve. It turns out that the…
A Black Hole Has Cleared Out Its Neighbourhood
We can't see them directly, but we know they're there. Supermassive black holes (SMBHs) likely dwell at the center of…
The JWST Discovers a Galaxy That Shouldn’t Exist
Astronomers working with the JWST found a dwarf galaxy they weren't looking for. It's about 98 million years away, has…
Even Early Galaxies Grew Hand-in-Hand With Their Supermassive Black Holes
Almost every galaxy in the local Universe seems to contain a supermassive black hole. There's a direct relationship between the…
The Aftermath of a Recent Galactic Merger
NGC 4753 is a prime example of what happens after a galactic merger. It looks like a twisted mess, with…