Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other ...

Humanity has already sent five spacecraft on trajectories that will eventually carry them beyond the Solar System, ...

There are tens of billions of Sun-like stars in the Milky Way, an immense tally that encourages the possibility that extraterrestrial life peppers the universe. Finding evidence for aliens - even ...

First contact with alien civilizations won’t be with the beings themselves, but with their technology. By searching for these extraterrestrial artifacts, we embark on a journey through our solar ...