asteroids

Hubble Space TelescopeMarsclimate changesupernovaeexoplanetscometssolar systemESA2025Jupiterwhite dwarfsPlutoaliensdustasteroidsastrophotographymeteoritesstar clustersvolcanoesmathEarthcosmologythe SunscifiFast Radio BurstsVera Rubin ObservatorynebulaAstronomybrown dwarfsNASAPoliticsgalaxy clusterslight pollutiondebunkingblack holesTVgravitational lensingAbout the newsletterMoonAbout meimpactsnovaebinary starsSgr A*starsTNOssciencegalaxiesJWSTGamma-ray burstsColliding galaxiesMilky Way GalaxyScientific AmericanGaia
Hubble Space TelescopeHubble Space Telescope
+4+4
Roman Space Telescope finishes construction, and a new discovery record for space rocks

Roman Space Telescope finishes construction, and a new discovery record for space rocks

The new space observatory is now ready to launch, and 40,000 near-Earth objects have now been found

Philip Plait
Philip Plait
solar systemsolar system
+4+4
A wee asteroid came VERY close to us last week

A wee asteroid came VERY close to us last week

Plus, Rubin is going to find a lot more

Philip Plait
Philip Plait
climate changeclimate change
+4+4
A new minimoon for Earth may be a Chinese lunar mission

A new minimoon for Earth may be a Chinese lunar mission

Also, Earth is getting darker, which is never a good sign

Philip Plait
Philip Plait
cometscomets
+2+2
AMAZING image: Comet Lemmon encounters a meteor, kinda.

AMAZING image: Comet Lemmon encounters a meteor, kinda.

Also, a spinny new target for the asteroid-hunting mission Hayabusa2

Philip Plait
Philip Plait
solar systemsolar system
+4+4
Asteroids from Venus pose an invisible — but uncertain — threat

Asteroids from Venus pose an invisible — but uncertain — threat

Bottom line: we need to look for them

Philip Plait
Philip Plait
asteroidsasteroids
+6+6
A black hole is eating way above its weight, and ancient tektites in Australia
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A black hole is eating way above its weight, and ancient tektites in Australia

Something is helping this black hole gobble down material at incredible rates

Philip Plait
Philip Plait
solar systemsolar system
+5+5
A portrait of our planet and moon from across the solar system

A portrait of our planet and moon from across the solar system

Psyche snaps Earth and Moon, I’m talking to teachers in Texas, and a newly discovered impact crater in India

Philip Plait
Philip Plait
asteroidsasteroids
+2+2
A brown dwarf reveals its mass
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A brown dwarf reveals its mass

Plus: Are Fast Radio Bursts caused by asteroids slamming into neutron stars?

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
exoplanetsexoplanets
+4+4
JWST directly images a cold exoplanet, the Flyeye asteroid hunter is now online
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JWST directly images a cold exoplanet, the Flyeye asteroid hunter is now online

14 Her c is around our same age, and ESA has a new telescope to look for space rocks

Philip Plait
Philip Plait
climate changeclimate change
+3+3
Did an asteroid impact dam up the Grand Canyon 56,000 years ago?
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Did an asteroid impact dam up the Grand Canyon 56,000 years ago?

The Meteor Crater asteroid impact may have created an ancient lake. Also, Arctic sea ice again way too low

Philip Plait
Philip Plait
asteroidsasteroids
+2+2
Tunguska is healing, a reflective volcano from space

Tunguska is healing, a reflective volcano from space

An Earth impact gets better, a gorgeous volcano from the ISS

Philip Plait
Philip Plait