Ever gazed at the night sky and wondered if we're truly alone, or if cosmic travelers zip through our solar neighborhood carrying secrets from distant stars? Recently, there was a lot of buzz around ...

If there are indeed other beings in our galaxy, and they are sophisticated enough to traverse the expanse of space, their very first encounter with humanity might not be with a human. Rather, they ...

Microscopic bits of alien tech on the moon? As scientists searched for intelligent extraterrestrial life — i.e., aliens — they’ve focused on a short list of standard possibilities. In other words, ...