Oftentimes, we think of space as an endless, mostly empty vacuum, a silent backdrop where planets, stars, and galaxies play out their dance. We also think of time as something separate, a steady ...

A new kind of delivery system is being set up in low Earth orbit. Inversion Space, a relatively small space startup founded ...

The aurora borealis is a spectacle of space weather, but solar flares and coronal mass ejections have far more Earthly ...

There once was a dream of cities in space — vast cylindrical habitats, self-sufficient and populated by millions who would ...

Companies are getting in on the ground floor of mining asteroids in space for precious minerals and important terrestrial ...

An asteroid about the size of a small building zoomed past Earth unnoticed by astronomers last week, coming as close to the ...