Earth

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MarsMars
+7+7
Radioactive cosmic dust is raining down on Earth’s surface

Radioactive cosmic dust is raining down on Earth’s surface

It sounds worse than it is. In fact, it’s really cool and telling us about our local galactic neighborhood

Philip Plait
Philip Plait
miscellanymiscellany
+7+7
Dimming the sun is probably a very bad idea

Dimming the sun is probably a very bad idea

Global warming is a massive problem, but let’s not play games with our only planet’s ecosphere

Philip Plait
Philip Plait
solar systemsolar system
+6+6
How much ice is there really on the moon?
Premium

How much ice is there really on the moon?

New observations imply there’s less than we thought

Philip Plait
Philip Plait
astrophotographyastrophotography
+7+7
View from a height: The Earth from Artemis II

View from a height: The Earth from Artemis II

Moon-bound astronauts get a gorgeous shot of home, with lots of fun details

Philip Plait
Philip Plait
climate changeclimate change
+4+4
A fun (not really) twist on global warming: land sinking
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A fun (not really) twist on global warming: land sinking

Plus a small satellite will look at big science for small stars

Philip Plait
Philip Plait
solar systemsolar system
+5+5
The planet that hit Earth to form the Moon was local! Plus, a dizzy asteroid
Premium

The planet that hit Earth to form the Moon was local! Plus, a dizzy asteroid

Theia may have formed near Earth, and asteroid 2005 MN45 spins fast

Philip Plait
Philip Plait
MarsMars
+2+2
Red Planet special: HiRISE’s 100,000th image, and Martian crepuscular rays

Red Planet special: HiRISE’s 100,000th image, and Martian crepuscular rays

Big milestone for a Mars mission, and a weirdly familiar sight in the Martian sky

Philip Plait
Philip Plait
exoplanetsexoplanets
+4+4
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
EarthEarth
+5+5
Today our planet will not be destroyed. Probably.

Today our planet will not be destroyed. Probably.

I mean, no promises. But it won’t be because the Maya predicted it.

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
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