galaxies

miscellanyHubble Space TelescopeMarsclimate changesupernovaeexoplanetscometsgravitational wavessolar systemESA2025Jupiterwhite dwarfsPlutoaliensdustasteroidsneutron starsastrophotographymeteoritesstar clustersvolcanoesmathEarthcosmologypulsarsmoonsthe SunscifiFast Radio BurstsVera Rubin ObservatorynebulaAstronomybrown dwarfsNASAPoliticsgalaxy clusterslight pollutionplanetary nebulaerecipedebunkingblack holesphysicsTVnight skygravitational lensingVenusAbout the newsletterspacered dwarfsMoonAbout mespace explorationimpactsnovaebinary starsSgr A*starsTNOssciencegalaxiesJWSTGamma-ray burstsdark matterColliding galaxiesstar formationMilky Way GalaxyScientific AmericanGaia
solar systemsolar system
+5+5
The immense Vera C. Rubin sky survey has begun!

The immense Vera C. Rubin sky survey has begun!

This will be a huge game changer for astronomy

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+5+5
Another tiny galaxy found WITHOUT dark matter
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Another tiny galaxy found WITHOUT dark matter

The invisible material is ubiquitous, so finding a galaxy without it is pretty weird

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+6+6
Another JWST jaw-dropper: a galaxy that looks like it’s exploding but is actually doing the opposite

Another JWST jaw-dropper: a galaxy that looks like it’s exploding but is actually doing the opposite

M82 is really just doing what galaxies do: making lots and lots of stars

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+6+6
A spiral galaxy whizzes through the Virgo Cluster
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A spiral galaxy whizzes through the Virgo Cluster

M88 looks a bit — and kinda sorta acts a bit — like a cosmic buzz saw

Philip Plait
Philip Plait
dustdust
+5+5
JWST sees massive stars clearing away their dusty, gaseous birth blankets

JWST sees massive stars clearing away their dusty, gaseous birth blankets

A survey of four nearby galaxies reveals important details on how these beasts are born

Philip Plait
Philip Plait
supernovaesupernovae
+5+5
Record-breaking JWST observation shows the universe’s first stars were better alchemists than we thought

Record-breaking JWST observation shows the universe’s first stars were better alchemists than we thought

Astronomers find more oxygen than expected in an incredibly distant galaxy

Philip Plait
Philip Plait
cosmologycosmology
+3+3
Is there more than one kind of dark matter?

Is there more than one kind of dark matter?

New research implies it could be as rich in particles as normal matter

Philip Plait
Philip Plait
star clustersstar clusters
+4+4
The spectacular Sombrero galaxy

The spectacular Sombrero galaxy

Plus: the chance of the Milky Way and Andromeda colliding just went up. Maybe.

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+6+6
A galaxy aflame!

A galaxy aflame!

JWST image of NGC 5134 is fire. Also, using real AI to find galaxies.

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+10+10
Two JWST stories: an incredible nebula/star cluster image, and a map of dark matter

Two JWST stories: an incredible nebula/star cluster image, and a map of dark matter

Westerlund 2 is a feast for the eyes, and the dark matter map a feast for the brain

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+6+6
Another gorgeous Hubble galaxy, but it has many secrets
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Another gorgeous Hubble galaxy, but it has many secrets

NGC 7722 is a weird hybrid of galaxy types. What does that tell us?

Philip Plait
Philip Plait
miscellanymiscellany
+7+7
Our Milky Way’s supermassive black hole has a hiccuppy past

Our Milky Way’s supermassive black hole has a hiccuppy past

It may erupt every few centuries, but don’t panic!

Philip Plait
Philip Plait