Quotes by : Alan Stern

There are lots of really interesting little planets out there in the Kuiper Belt, but Pluto's the only....

Of course Pluto is a planet: It's massive enough to have its shape controlled by gravity rather than....

I tend to think of Pluto and its moons as presents sitting under a Christmas tree. They're wrapped, and....

No one working as an astronomer is shackled in chains. This is a tremendous profession. There are lots....

I'm hopeful that commercial space exploration will takeoff. To really fuel the spaceflight revolution....

Competition-driven innovation and price pressure that commercial practices foster can only make human....

Pluto is still active four and a half billion years into its history. It was expected that small planets....

It says something very deep about humans and our society, something very good about us, that we've invested....

We're in the space exploration business, and the outer solar system is a wild, wooly place. We haven't....

The big lesson of planetary science is when you do a first reconnaissance of a new kind of object, you....