TESS will give us a new view of our galactic neighborhood.
Instead of hosting planet-friendly dust, Proxima Centauri spews radiation.
Like, can we even do that?
Three of them may be habitable
A potentially habitable world only 4.2 light years away
The closest potentially habitable planet has an intriguing interior
Seeking a distant pale blue dot
We need tiny spaceships. Lots of 'em.
When you're traveling this fast, every little speck counts
Now to figure out if it has liquid water. Or an atmosphere.
Sid Meier and Yuri Milner know why
Close encounters of the stellar kind
You have died of dysentary
Our best guess for what it would take to get to planets that are really, really far away.
But that's a pretty big 'if'
It's just plane confusing.
Giant planet orbits three stars at once
It's close, but you won't want to visit.
The enormously ambitious mission faces a few challenges
Here's what the astrophysicist says about the future of space exploration
Could this transmission come from intelligent life?
Autonomous science-bots will make it easier to explore our solar system … and beyond.
"Seeing color in a nebula from a garden in San Francisco? That's pretty cool."
Stars tell stories, guide explorers, and help scientists talk about the galaxy.
Directed energy may be the key to rapid interstellar travel
The star system is 25 trillion miles away
Going to Alpha Centauri "within a generation"
Megapixels: Binary stars are at the heart of this celestial crustacean.
Before Breakthrough Starshot goes interstellar, let's test the laser sails
Shooting for the stars.
Now, the KickSat may power Yuri Milner's $100 million Breakthrough Starshot Project
It could be 20 or 30 years until we can build a laser big enough
Breakthrough Starshot, but for romantics
This year's missions to the outer solar system are set to shake up the planetary family tree
Short answer: It depends who you ask
They grow up so fast
Scientists are hot on the trail of our solar system's 9th planet
The evidence is right in front of you.
Scientists aren't just jerking you around—this is about something more than your childhood nostalgia
It's time to return to our hellish neighbor.
Is there a planet—or even planets—waiting to be discovered out there?
Step one: realize we're not alone.
And it could help prove the existence of Planet Nine.
Short answer: Because we changed the definition of the word “planet” to better fit its meaning.
It defied the odds to discover thousands of planets.
Don't pack your bags yet
Happy Carl Sagan day! Celebrate with this blast from the past in the pages of Popular Science
The Dawn spacecraft arrives at Ceres this March, and it could be the most surprising space mission in decades
And he thinks the upcoming flyby will prove it
This Mars-sized exoplanet is a big deal
Witness history in the making
Popular Science goes way back
And it could provide a glimpse into our planet's future
Piping hot Jupiter fries, please!
Bring an umbrella
So close we might even be able to measure its wind speeds, GJ 1132b is a very important exoplanet
How skeptical should we be, and how will we find out if this mystery planet is really out there?
And it's still not Pluto
There's another 1,327 on the waiting list
Finally, a good use for climate change
Naming new worlds is a confusing mess
It's surprisingly lacking in heavy elements
So hot right now.
But our days of massive exoplanet dumps may be numbered.
As black as day.
You can get too wet for life.
The early solar system was a wild, world-destroying place.
More than a light Venusian breeze.
Life needs a stable climate.
It's completely different from Earth
It could be the largest moon we've ever seen
If aliens love satellites as much as we do, we might be able to spot them
We're under a time crunch.
New research provides some clues about our solar system's most mysterious planet.
Even in space, bureaucracy exists.
Orbits are getting a bit less mysterious.
A 'Forbidden planet' defies odds and thrives under inhospitable conditions.
With scorching temperatures day and night, WASP-43b ain't no place to live.
The finding is good news for the search for intelligent alien life
Welcome to Ceres
Pluto is just the beginning
A look at the spacecraft's first year studying the Martian atmosphere
There's something weird happening around a faraway star.
What does that mean for the search for alien life?
Getting too much suns
This summer we'll get our closest ever look at the stormiest planet in the solar system
Now we wait for the rest of the cosmos to catch up
New evidence suggests it could be a rogue planet captured by our sun
You can basically read fanfiction about them
A sky full of super-Earths
From the Popular Science archives.
We think you can, Opportunity.
And you thought this summer was hot
Teaming up to explore the galaxy with an AI assist.
Gravity makes the Earth round.
The right kind of chemistry can lead to some strange sorts of worlds.