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Hubble Space TelescopeMarsclimate changesupernovaeexoplanetscometssolar systemESA2025Jupiterwhite dwarfsPlutodustasteroidsastrophotographymeteoritesvolcanoesmathEarthcosmologythe SunscifiVera Rubin ObservatorynebulaAstronomybrown dwarfsNASAPoliticsgalaxy clusterslight pollutionblack holesTVAbout the newsletterMoonimpactsbinary starsSgr A*starsTNOssciencegalaxiesJWSTGamma-ray burstsColliding galaxiesMilky Way GalaxyScientific AmericanGaia
supernovaesupernovae
+3+3
A star may have exploded when it ate a black hole
Aug 14, 2025
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A star may have exploded when it ate a black hole

Everything about this story is awesome and terrifying

Philip Plait
Philip Plait
exoplanetsexoplanets
+3+3
A planet for Alpha Centauri A?
Aug 07, 2025

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
supernovaesupernovae
+3+3
A second star for Betelgeuse?!
Jul 28, 2025

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
Jul 22, 2025

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
supernovaesupernovae
+2+2
The biggest black hole merger ever detected so far rocked the Universe
Jul 14, 2025

The biggest black hole merger ever detected so far rocked the Universe

The gravitational waves they emitted were fiercely powerful, but where did the black holes come from?

Philip Plait
Philip Plait
black holesblack holes
+4+4
Did our local supermassive black hole recently eat its little sibling?
Jun 09, 2025

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
AstronomyAstronomy
+3+3
Is the WR 104 system pointing a gamma-ray burst at Earth? Probably not.
May 05, 2025

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
Apr 17, 2025

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
AstronomyAstronomy
+3+3
Two colossal stars send out waves of dust in an amazing JWST image
Jan 20, 2025

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
Everything, the Universe, and Life

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