As the plow pushes through a parking lot of light fluffy snow, the snow clumps together in bigger and bigger chunks. Out in space, pressure hitting a gas cloud has a similar effect, except, instead of snowballs, you get stars!

The depth of experience fine wine can bring to a dinner, particularly a bottle that has been through the past 100 years, makes you take stock of your own life.

So while you're getting ripped apart head to toe as you fall into a black hole, you will also extrude through the fabric of space and time, like toothpaste squeezed through a tube. To all the words in the English language that describe ways to die (e.g., homicide, suicide, electrocution, suffocation, starvation) we add the term spaghettification.

Countless women are alive today because of ideas stimulated by a design flaw in the Hubble Space Telescope.

Some of the greatest poetry is revealing to the reader the beauty in something that was so simple you had taken it for granted.

There are countless space activities that would be no less exciting than the moon missions were, I have no doubt. The search for life on Mars, for example.

I think everyone should have a personal mission to leave the Earth a better place for them having lived in it and let Earth then take it from there.