Short answer: It depends who you ask
The ISS just celebrated its 15-year anniversary yesterday. Could it survive another 15?
What is going on with my moon?
The survey also confirmed the existence of two other moons, whose discovery was announced last year
The spacecraft completely changed our view of Saturn and her moons
Something seems off here.
Crowdfund this spacecraft and put a piece of yourself in a lunar time capsule
A bigger smash solves everything.
But we'll have to get there first.
A bigger bang
New views of the moon's secrets
The Japanese billionaire isn't the only one headed for the moon.
We mapped out all the space trash.
It was smelly up there.
And still has a hot core
Even 50 years after Apollo 11 landed on the moon.
The ups and downs of our solar system's least explored planet
The Saturn explorer's death spiral begins on Sunday
Should we go? Can we afford to go? All this, and more.
Which one will win? We'll find out in 2019.
We all like having options.
Turning the heat up on this frigid space rock