For more than a century, the idea that life might have arrived on our planet from elsewhere in the cosmos sat at the fringes ...

A time-lapse view of Antarctica & the moon can be seen in footage captured by the Meteosat-11 satellite. Credit: Simon Proud ...

Earth's orbit is getting dangerously crowded with space debris, raising the risk of satellite collisions and global ...

The proliferated architecture satellites are built by SpaceX and Northrop Grumman. All of them have reached orbit aboard ...