A 'Forbidden planet' defies odds and thrives under inhospitable conditions.
You've likely outlived the company that wanted to film you dying on Mars.
Even in space, bureaucracy exists.
New research provides some clues about our solar system's most mysterious planet.
It could be something even cooler.
The right kind of chemistry can lead to some strange sorts of worlds.
It's the farthest object we've ever spotted in our neighborhood.
Except it's multi-million dollar instruments instead of plush toys.
We're under a time crunch.
It's close, but you won't want to visit.
An old theory gets a new assist from the sun.
Gravity makes the Earth round.
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.
If aliens love satellites as much as we do, we might be able to spot them
And it could help prove the existence of Planet Nine.
It could be the largest moon we've ever seen
Countdown: 45 years left until 'First Contact'
From the Popular Science archives.
It's completely different from Earth
And you thought this summer was hot
Time for a new plan.
The survey also confirmed the existence of two other moons, whose discovery was announced last year
Life needs a stable climate.
Cyborgs, and interstellar probes, and AI.
More than a light Venusian breeze.
Step one: realize we're not alone.
Sorry, no aliens—yet.
Is there a planet—or even planets—waiting to be discovered out there?
Something's got the Kuiper belt's rocks off, and there's a scramble to find it.
InSight is blasting off this week.
The early solar system was a wild, world-destroying place.
You can get too wet for life.
It's time to return to our hellish neighbor.
We think you can, Opportunity.
As black as day.
Another day, another hypothetical object on the outskirts of the solar system.
Skyping with Mars.
But our days of massive exoplanet dumps may be numbered.
So hot right now.
It's surprisingly lacking in heavy elements
Can we, uh, not give up on this planet quite yet?
Here's what it would take to survive this particular doomsday prophecy
A sky full of super-Earths
Scientists aren't just jerking you around—this is about something more than your childhood nostalgia
It's a matter of perspective
Starving stars are more common than intelligent life
New evidence suggests it could be a rogue planet captured by our sun
And its clouds may be made of gemstones
Naming new worlds is a confusing mess
Finally, a good use for climate change
The closest potentially habitable planet has an intriguing interior
Seeking a distant pale blue dot
And still has a hot core
We need tiny spaceships. Lots of 'em.
Now to figure out if it has liquid water. Or an atmosphere.
Now we wait for the rest of the cosmos to catch up
Giant planet orbits three stars at once
This summer we'll get our closest ever look at the stormiest planet in the solar system
Where can I find a planet like that?
There's another 1,327 on the waiting list
Getting too much suns
The answer is always lasers
And it's still not Pluto
The evidence is right in front of you.
Planet 2MASS J2126-8140 orbits a trillion kilometers out from its sun
How skeptical should we be, and how will we find out if this mystery planet is really out there?
Scientists are hot on the trail of our solar system's 9th planet
Pluto's favorite sister, mapped
They grow up so fast
So close we might even be able to measure its wind speeds, GJ 1132b is a very important exoplanet
Bring an umbrella
NASA is taking suggestions this week
Piping hot Jupiter fries, please!
A look at the spacecraft's first year studying the Martian atmosphere
Don't call it 'Arrakis'
Short answer: It depends who you ask
And it could provide a glimpse into our planet's future
Popular Science goes way back
Witness history in the making
New Horizons scientist Leslie Young discusses what to expect from the flyby on Tuesday, and the 28-year wait leading up to it
Scientists catch a Neptune-style orbiter by its very long tail
This Mars-sized exoplanet is a big deal
And he thinks the upcoming flyby will prove it
Many hopefuls have signed up for a one-way ticket to the red planet. But if they aren't prepared, the trip may be a short one.
Seeing is believing
A Gallery Of Photos Curated By The Person Who Made Most Of Them
Welcome to Ceres
Who knows what might be lurking on this weird, tiny space rock
This year's missions to the outer solar system are set to shake up the planetary family tree
More than 200,000 aspiring space explorers volunteered for a one-way trip to Mars. Are they insane?
The Dawn spacecraft arrives at Ceres this March, and it could be the most surprising space mission in decades
What's on the horizon for the New Horizons spacecraft
Happy Carl Sagan day! Celebrate with this blast from the past in the pages of Popular Science
Don't pack your bags yet