It's the farthest object we've ever spotted in our neighborhood.
By studying Martian meteorites, scientists think they've found an explanation for ancient eruptions on the Red Planet.
We're under a time crunch.
And it could help prove the existence of Planet Nine.
It could be the largest moon we've ever seen
Here are some highlights from its journey
From the Popular Science archives.
Pebbles and planetesimals pummeled the planet's early surface
The survey also confirmed the existence of two other moons, whose discovery was announced last year
An 'Oumuamua by any other name would still be as fascinating.
Is there a planet—or even planets—waiting to be discovered out there?
High impact research.
The spacecraft completely changed our view of Saturn and her moons
A gallery of photos, visualizations, and other pictures of outer space.
The ocean-filled moon might hold the life we've long searched for in space. And scientists have one shot to reach it.
Short answer: It depends who you ask
Witness history in the making
And he thinks the upcoming flyby will prove it
This year's missions to the outer solar system are set to shake up the planetary family tree
As you battle the blizzard, just be happy you don't live on Pluto
The Dawn spacecraft arrives at Ceres this March, and it could be the most surprising space mission in decades
My, what epic epochs you have there
A glimpse into the birth of solar systems