Scientists have more thoughts on 'Oumuamua.
Scientists directly imaged two embryonic exoplanets 370 light-years away.
The story of heroic fasteners that will get us to the moon and back.
It could be something even cooler.
And in a great year for space exploration, that's saying something.
We're under a time crunch.
It's close, but you won't want to visit.
Despite what Harvard scientists say.
Kepler and Dawn guzzled through their precious gas for similar reasons.
It defied the odds to discover thousands of planets.
And it's going to keep on smashing them.
Short answer: Because we changed the definition of the word “planet” to better fit its meaning.
There's still a lot to learn about the surface of Jupiter's moon
Teaming up to explore the galaxy with an AI assist.
Here are some highlights from its journey
From the Popular Science archives.
Deep Sea Meets Deep Space
Researchers might not have to dig as deep as they thought to find proof of biological activity.
The Very Large Telescope got new adaptive optics technology.
More than a light Venusian breeze.
Step one: realize we're not alone.
One small flight for drones
InSight is blasting off this week.
High impact research.
Submarines and rovers will go for a dive on the moons of Jupiter and Saturn
You can't see it—but Hubble can.
Dawn spacecraft discovers organic materials on its surface
Naming new worlds is a confusing mess
Problems with the spacecraft's engines are preventing it from entering a new orbit for observations
Future astronauts may depend on it, and a new forecast is about to be put to the test
When NASA's OSIRIS REx probe launches on Sept. 8, it will be carrying this innovative tool
Why is NASA's longest-serving woman an hourly employee?
NASA's mission to Jupiter is brought to you by: the Sun, from 500 million miles away
Juno will zoom in on Jupiter on July 4th
This summer, the mission may get funding to travel to a mysterious rock at the edge of the solar system
The enormously ambitious mission faces a few challenges
Sometimes you just need a rocket that flies at 2 million miles per hour
Scientists are hot on the trail of our solar system's 9th planet
You are getting verrry sleeepy
If you can make it here, you'll make it anywhere
Charon is the real #SuperBloodMoon in latest New Horizons pics
No crowdfunding required
Scanning a million nearby stars, the 'Breakthrough Listen' project will be the world's biggest hunt for ETs
Stranger worlds to come
Popular Science goes way back
New Horizons scientist Leslie Young discusses what to expect from the flyby on Tuesday, and the 28-year wait leading up to it
Introducing the High-Definition Space Telescope
The greatest hits of Earth's unmanned spacecraft
The truth is out there
Turning the heat up on this frigid space rock
This year's missions to the outer solar system are set to shake up the planetary family tree
What's on the horizon for the New Horizons spacecraft
And you thought your home was dusty
Don't pack your bags yet
Is there a planet—or even planets—waiting to be discovered out there?
Short answer: It depends who you ask
How skeptical should we be, and how will we find out if this mystery planet is really out there?
The early solar system was a wild, world-destroying place.
And it could help prove the existence of Planet Nine.
The Dawn spacecraft arrives at Ceres this March, and it could be the most surprising space mission in decades
Pluto is just the beginning
Another day, another hypothetical object on the outskirts of the solar system.
It's both chance and certainty. And there's something kind of beautiful about that.
It's time to return to our hellish neighbor.
It could be the largest moon we've ever seen
It's the farthest object we've ever spotted in our neighborhood.
And he thinks the upcoming flyby will prove it
We get it, Sun, you're the best and brightest
Where can I find a planet like that?
This summer we'll get our closest ever look at the stormiest planet in the solar system
New evidence suggests it could be a rogue planet captured by our sun
Something's got the Kuiper belt's rocks off, and there's a scramble to find it.
But that's not too weird for the red planet.
Even in space, bureaucracy exists.
The finding is good news for the search for intelligent alien life
Piping hot Jupiter fries, please!
The ocean-filled moon might hold the life we've long searched for in space. And scientists have one shot to reach it.
And it's still not Pluto
Konstantin Batygin is one of the 10 most brilliant people of 2016
Now to figure out if it has liquid water. Or an atmosphere.
Seeking a distant pale blue dot
Scientists aren't just jerking you around—this is about something more than your childhood nostalgia
It's surprisingly lacking in heavy elements
This gas giant has seen it all.
Cyborgs, and interstellar probes, and AI.
The survey also confirmed the existence of two other moons, whose discovery was announced last year
The Event Horizon Telescope peered into the Messier 87 galaxy.
A gallery of photos, visualizations, and other pictures of outer space.
As you battle the blizzard, just be happy you don't live on Pluto
Even though I helped demote it
Witness history in the making
So close we might even be able to measure its wind speeds, GJ 1132b is a very important exoplanet
Planet 2MASS J2126-8140 orbits a trillion kilometers out from its sun
Finally, a good use for climate change
The traveller (maybe from another star) didn't stay long and it's moving away fast
Like, can we even do that?
Instead of hosting planet-friendly dust, Proxima Centauri spews radiation.
Pebbles and planetesimals pummeled the planet's early surface