"I think we've reached the edge of normal space, Commander."

We cannot see any "edge of space" anywhere around us.

And now a distant thunder was rolling down from the edge of space.

The balloons are meant to be a cheaper way to get such instruments to the edge of space.

Escape Vehicle no.6 saw a domestic chair travel from the earth to the edge of space.

I used to do that, take off alone in a ship and head for the edge of known space until I could stand people again.

The air is least pressurized at the edge of space, where there's little or nothing pressing down on it.

Where, went the old question, does the edge of the star end and space itself begin?

It starts at 500 kilometers high and marks the edge of space.

The rocket was at the very edge of space, nearly 250, 000 feet above Earth.