galaxies

Hubble Space TelescopeMarsclimate changesupernovaeexoplanetscometssolar systemESA2025Jupiterwhite dwarfsPlutodustasteroidsastrophotographymeteoritesvolcanoesmathEarthcosmologythe SunscifiVera Rubin ObservatorynebulaAstronomybrown dwarfsNASAPoliticsgalaxy clusterslight pollutionblack holesTVAbout the newsletterMoonimpactsbinary starsSgr A*starsTNOssciencegalaxiesJWSTGamma-ray burstsColliding galaxiesMilky Way GalaxyScientific AmericanGaia
dustdust
+6+6
Little Red Dots at the edge of the universe may be black holes powering gigantic balls of gas

Little Red Dots at the edge of the universe may be black holes powering gigantic balls of gas

These “Black Hole Stars” are theoretical, but do explain what we see

Philip Plait
Philip Plait
black holesblack holes
+1+1
What is twisting up this blazar’s immensely powerful death ray?
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What is twisting up this blazar’s immensely powerful death ray?

There’s a lot going on with OJ287.

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+5+5
Is the most distant star ever seen really a star at all?

Is the most distant star ever seen really a star at all?

Also, a new moon for Quaoar! Maybe!

Philip Plait
Philip Plait
astrophotographyastrophotography
+3+3
It’s an umbrella, but it’s a hundred thousand light-years long

It’s an umbrella, but it’s a hundred thousand light-years long

Galaxy collisions do really weird things

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+6+6
An incredible JWST image of an immense city of galaxies

An incredible JWST image of an immense city of galaxies

Abell S1063 is a jaw-dropping example of the power of the big telescope

Philip Plait
Philip Plait
galaxy clustersgalaxy clusters
+4+4
A SUPER supermassive black hole

A SUPER supermassive black hole

The central black hole in the galaxy Holmberg 15A is very, very beefy

Philip Plait
Philip Plait
cosmologycosmology
+5+5
The Owl Galaxies are hiding a secret in plain sight. But what is it?

The Owl Galaxies are hiding a secret in plain sight. But what is it?

It might be a supermassive black hole, or it might be a bazillion newborn stars

Philip Plait
Philip Plait
astrophotographyastrophotography
+2+2
The Andromeda Galaxy gets psychedelic

The Andromeda Galaxy gets psychedelic

Also a 20% newsletter subscription sale starts now!

Philip Plait
Philip Plait
dustdust
+6+6
Rubin opens its eye. And what it sees is the Universe.

Rubin opens its eye. And what it sees is the Universe.

Mind-blowing first images from the huge telescope.

Philip Plait
Philip Plait
galaxy clustersgalaxy clusters
+3+3
A clump of quasars REALLY defies the odds

A clump of quasars REALLY defies the odds

Astronomers find neatly a dozen quasars jammed into a small volume of space, and no one knows why they’re there.

Philip Plait
Philip Plait
PoliticsPolitics
+4+4
No Kings protest thoughts; the spectacular Sombrero Galaxy fools me again

No Kings protest thoughts; the spectacular Sombrero Galaxy fools me again

No Kings rally more than just a protest; a gorgeous galaxy looks a lot better than I first thought

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+4+4
The enigma(s) of the lovely galaxy IC 3225
Premium

The enigma(s) of the lovely galaxy IC 3225

Its shape and distance are weird

Philip Plait
Philip Plait