cosmology

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
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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
Hubble Space TelescopeHubble Space Telescope
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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
exoplanetsexoplanets
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Puffy exoplanets are cool, and that’s a problem

Puffy exoplanets are cool, and that’s a problem

Two extra-inflated gas giants are defying explanation. Plus my book in Chinese, and why are supermassive black holes so big so early?

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
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
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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