After humanity encountered other alien races, they discovered that human methods of travel were the most efficient.

In this epic space opera, Ildirans were the first extra terrestrials that humanity encountered once our species became space bound.

Reaching out into the cosmos, humanity encounters the Kree, the Shi'ar, the Skrulls and the Badoon, allegedly enslaving them all before the end.

In Asia, humanity first encountered malaria a million years ago after its arrival there from its African birthplace.

Another is that humanity has never before encountered a form of advertising that costs its senders so little.

If this was the case, Michael Saldana thought it imperative that this external threat be identified before humanity encountered it.

At least, they had been until humanity had encountered the!

The Planetary Federation issued guidelines a century ago"-now almost two centuries-"covering contact with any sentient species that humanity might encounter interstellar.

Even the oldest of the Federation's colony worlds had been settled for less than two centuries when humanity first encountered the Gbaba.

It was too different, too unlike anything humanity had ever encountered before.