From a Mars rover selfie to an astronaut's view of the flower moon, these space images will give you a new perspective on our ...

The LEGO Milky Way Galaxy set #31212 is currently $199.99 elsewhere (even during Prime Day), but Insiders members can get it ...

Oxygen isn’t just the stuff we breathe. Rocket propellant depends on oxygen, and future explorers will depend on producing propellant on Mars to make the trip home,” Jim Reuter, associate ...

A warm afternoon on ancient Mars lasted about as long as a Silicon Valley internship. That is the sobering conclusion of a ...

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Earth is probably stabilizing to life-friendly conditions, but Mars is different. This is indicated by simulations and ...