There may be 4 quintillion alien spacecraft buzzing in our Solar System
The solar system is vast & the space between our star system and our closest neighbor, Proxima Centauri, is even more vast
Reusable “Susie” spacecraft could launch future European deep-space missions
ArianeGroup's "Susie" is a fully reusable craft designed to fit future rockets, one of which is being made right now for Arianespace
NASA records eerie sounds from Jupiter’s moon Juno (video)
The resulting 50-second track of screeches and bleeps was presented at the American Geophysical Union Fall Meeting in New Orleans last week