Comets do blow up unexpectedly.

Virtually all of the atoms in our bodies and in the Earth were in interstellar grains - stardust grains - before the solar system formed. We're using this comet as a library that picked up records of the formation of our solar system, and has been storing them far from the sun at very low temperatures for four and a half billion years.

What was the chance someone would put a g-switch in backward and not be discovered, ... It has got to be a low probability event.

Our capsule is half the size and one-fourth the mass of Genesis.

We're approaching the end of a fantastic voyage. This is the farthest anything from Earth has traveled and come back. Soon we'll be able to examine the building blocks that formed the solar system 4.6 billion years ago.

So far, as far as we know Wild 2 is a unique object.

We have always stressed in this mission that we are stardust. Our planet and even our selves have a direct relationship to the particles we brought back.

There's almost no gravity at the surface. If you were standing on [the surface], you could jump into orbit.

It's fascinating that they're so different.