stars

miscellanyHubble Space TelescopeMarsclimate changesupernovaeexoplanetscometssolar systemESA2025Jupiterwhite dwarfsPlutoaliensdustasteroidsastrophotographymeteoritesstar clustersvolcanoesmathEarthcosmologymoonsthe SunscifiFast Radio BurstsVera Rubin ObservatorynebulaAstronomybrown dwarfsNASAPoliticsgalaxy clusterslight pollutiondebunkingblack holesphysicsTVgravitational lensingVenusAbout the newsletterMoonAbout meimpactsnovaebinary starsSgr A*starsTNOssciencegalaxiesJWSTGamma-ray burstsColliding galaxiesMilky Way GalaxyScientific AmericanGaia
cometscomets
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A new comet to watch for, and more evidence for the very first stars
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A new comet to watch for, and more evidence for the very first stars

The comet may get very bright, but who knows?

Philip Plait
Philip Plait
miscellanymiscellany
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A spider web a million trillion kilometers wide: JWST’s view of IC 5332 (1)

A spider web a million trillion kilometers wide: JWST’s view of IC 5332 (1)

Also: How many near-Earth asteroids have been visited by spacecraft?

Philip Plait
Philip Plait
miscellanymiscellany
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A faint stream of stars is being pulled out of the nearby galaxy M61
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A faint stream of stars is being pulled out of the nearby galaxy M61

Also: a free audiobook featuring my dulcet voicebox

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
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Inside the Helix Nebula: JWST image shows thousands of creepy fingers around a dying star

Inside the Helix Nebula: JWST image shows thousands of creepy fingers around a dying star

Plus: My 200th article for Scientific American

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
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Hubble peers at Cloud-9, a nearby dark matter cloud from the ancient universe
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Hubble peers at Cloud-9, a nearby dark matter cloud from the ancient universe

No stars were seen in it, showing it really is a relic of the dawn of the cosmos

Philip Plait
Philip Plait
binary starsbinary stars
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Splitting Castor’s sextuple star system
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Splitting Castor’s sextuple star system

Four stars seen separately in the system for the first time

Philip Plait
Philip Plait
white dwarfswhite dwarfs
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A dying star goes to an iron bar

A dying star goes to an iron bar

A mysterious new feature has been spotted in the Ring Nebula

Philip Plait
Philip Plait
dustdust
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How to feed a bouncing baby star: Let food fall directly on it

How to feed a bouncing baby star: Let food fall directly on it

A protostar has been found without a disk slowly feeding it

Philip Plait
Philip Plait
binary starsbinary stars
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Is Betelgeuse a binary star? The evidence is piling up
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Is Betelgeuse a binary star? The evidence is piling up

The second star may be leaving a wake behind it as it orbits

Philip Plait
Philip Plait
supernovaesupernovae
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An immense and catastrophic explosion of a nearby supernova still graces our sky

An immense and catastrophic explosion of a nearby supernova still graces our sky

The Vela Supernova Remnant is a masterpiece of chaos

Philip Plait
Philip Plait
exoplanetsexoplanets
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Today’s the day. Or is it?

Today’s the day. Or is it?

It depends on what you mean by “day”. Also, old stars eat their planets!

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
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Happy solstice, and a gorgeous galaxy with which to measure the Universe

Happy solstice, and a gorgeous galaxy with which to measure the Universe

The longest night is now behind us, and a Hubble image of a galaxy used as a ruler

Philip Plait
Philip Plait