stars

Hubble Space TelescopeMarsclimate changesupernovaeexoplanetscometssolar systemESA2025Jupiterwhite dwarfsPlutodustasteroidsastrophotographymeteoritesvolcanoesmathEarthcosmologythe SunscifiVera Rubin ObservatorynebulaAstronomyNASAPoliticsgalaxy clustersblack holesTVAbout the newsletterMoonimpactsbinary starsSgr A*starsTNOssciencegalaxiesJWSTGamma-ray burstsColliding galaxiesMilky Way GalaxyGaia
supernovaesupernovae
+2+2
A colossal explosion sent antimatter heading toward us at nearly the speed of light
Premium

A colossal explosion sent antimatter heading toward us at nearly the speed of light

That’s a fun headline to write! The good news is we’re safe and the science is awesome.

Philip Plait
Philip Plait
cometscomets
+5+5
An update on our 3rd alien visitor, and a new banner for BAN

An update on our 3rd alien visitor, and a new banner for BAN

More info on the interstellar comet 3I/ATLAS, and the Trifid is the new newsletter banner

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
supernovaesupernovae
+4+4
When did the Universe first get wet?

When did the Universe first get wet?

Water is simple, but it took time for the cosmos to brew the ingredients.

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
black holesblack holes
+4+4
Did our local supermassive black hole recently eat its little sibling?

Did our local supermassive black hole recently eat its little sibling?

Indirect evidence suggests a smaller black hole orbited the much, much larger one

Philip Plait
Philip Plait
asteroidsasteroids
+2+2
Taurus in 3D!

Taurus in 3D!

Cool animation does a big circle around a nearby star cluster

Philip Plait
Philip Plait
AstronomyAstronomy
+3+3
Is the WR 104 system pointing a gamma-ray burst at Earth? Probably not.

Is the WR 104 system pointing a gamma-ray burst at Earth? Probably not.

New observations indicate it’s aimed away from us

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
+4+4
Hubble tips hat to the Sombrero Galaxy, More weird white dwarfs

Hubble tips hat to the Sombrero Galaxy, More weird white dwarfs

Celebrate Hubble’s 35th, and more two-faced white dwarfs are popping up

Philip Plait
Philip Plait
exoplanetsexoplanets
+3+3
Four planets for Barnard’s Star! Also Danger, Will Robinson!
Premium

Four planets for Barnard’s Star! Also Danger, Will Robinson!

The nearest solo star in the Universe has four planets orbiting it, and I still love “Lost in Space”

Philip Plait
Philip Plait
AstronomyAstronomy
+3+3
Two colossal stars send out waves of dust in an amazing JWST image

Two colossal stars send out waves of dust in an amazing JWST image

WR 140 is a terrifying star system, but it sure is beautiful. Also, announcing a new rate for the newsletter.

Philip Plait
Philip Plait