A 'Forbidden planet' defies odds and thrives under inhospitable conditions.
We're under a time crunch.
It defied the odds to discover thousands of planets.
Short answer: Because we changed the definition of the word “planet” to better fit its meaning.
It could be the largest moon we've ever seen
Is there a planet—or even planets—waiting to be discovered out there?
It's time to return to our hellish neighbor.
But our days of massive exoplanet dumps may be numbered.
It's surprisingly lacking in heavy elements
Finally, a good use for climate change
Giant planet orbits three stars at once
There's another 1,327 on the waiting list
The evidence is right in front of you.
Scientists are hot on the trail of our solar system's 9th planet
Piping hot Jupiter fries, please!
Short answer: It depends who you ask
Pluto is just the beginning
Witness history in the making
This year's missions to the outer solar system are set to shake up the planetary family tree
The Dawn spacecraft arrives at Ceres this March, and it could be the most surprising space mission in decades
Happy Carl Sagan day! Celebrate with this blast from the past in the pages of Popular Science