Surprising, because the Soyuz has been a spacefaring standard since the 1960s.

Therefore we can follow the spread of a specific spacefaring species.

The originating civilization was severely damaged in a conflict involving offshoot spacefaring relations.

But some 167 genes were activated in the spacefaring salmonella; something's going on.

Is making life casually spacefaring and seriously interplanetary actually a plausible financial prospect?

Why are you gathering all this data about spacefaring species?

Proof that the Laymil were, at that level at least, a perfectly ordinary spacefaring race.

Thus the tribble became 'pre-adapted' as a spacefaring pet.

During the millennia since they had launched Starglider, their spacefaring ability must have improved enormously.

Life's building blocks have been found in comets, which could serve as spacefaring petri dishes.

We've seen no local evidence of spacefaring technology.

The Trump administration and governments of other spacefaring countries see the moon as a strategic asset.

The avians and sessiles would almost certainly never have developed a spacefaring capability of their own.

I no longer require a spacefaring vessel.

Surely they cannot be a spacefaring species.

The Trump administration and other spacefaring countries see the moon as a key strategic asset in outer space.