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…

2 days ago

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…

1 week ago

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…

1 week ago

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…

2 weeks ago

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…

3 weeks ago

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…

3 weeks ago

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…

3 weeks ago

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…

4 weeks ago

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…

4 weeks ago

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…

1 month ago