stars

Hubble Space TelescopeMarsclimate changesupernovaeexoplanetscometssolar systemESA2025Jupiterwhite dwarfsPlutodustasteroidsastrophotographymeteoritesvolcanoesmathEarthcosmologythe SunscifiVera Rubin ObservatorynebulaAstronomyNASAPoliticsgalaxy clustersblack holesTVAbout the newsletterMoonimpactsbinary starsSgr A*starsTNOssciencegalaxiesJWSTGamma-ray burstsColliding galaxiesMilky Way GalaxyGaia
exoplanetsexoplanets
+3+3
A planet for Alpha Centauri A?

A planet for Alpha Centauri A?

JWST spots what might be a Jupiter-sized world around the nearest Sun-like star

Philip Plait
Philip Plait
exoplanetsexoplanets
+7+7
White Dwarf stars are dead, but they still feed... on planets
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White Dwarf stars are dead, but they still feed... on planets

Observations show a lot of these stars are actually zombies. Also: moving an Earth-threatening asteroid just got a bit harder

Philip Plait
Philip Plait
supernovaesupernovae
+3+3
A second star for Betelgeuse?!

A second star for Betelgeuse?!

Astronomers post a possible binary companion for the soon-to-be supernova

Philip Plait
Philip Plait
NASANASA
+4+4
NASA declaration against Trump’s science attacks, more dusty WR star spirals

NASA declaration against Trump’s science attacks, more dusty WR star spirals

The Voyager Declaration takes a stand against budget cuts, and a gorgeous JWST image of Wolf-Rayet star dust expulsion

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
supernovaesupernovae
+2+2
A colossal explosion sent antimatter heading toward us at nearly the speed of light
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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
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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