We haven't seen a rock like this in 50 years.
Itokawa is surprisingly wet.
The story of heroic fasteners that will get us to the moon and back.
The longest-running surface mission laid the groundwork for some big things ahead.
The little rover that could.
The window of Opportunity is closing.
New research provides some clues about our solar system's most mysterious planet.
New high-res images from New Horizons reveal a very blobby space rock.
It's time to meet 2014 MU69.
MU69 is far from your run-of-the-mill solar system object.
Shamu dreams of Europa.
InSight rumbles with alien Martian wind.
And in a great year for space exploration, that's saying something.
Except it's multi-million dollar instruments instead of plush toys.
We're under a time crunch.
The upper atmosphere of Venus is surprisingly similar Earth.
It could be the largest moon we've ever seen
Teaming up to explore the galaxy with an AI assist.
Here are some highlights from its journey
Deep Sea Meets Deep Space
Researchers might not have to dig as deep as they thought to find proof of biological activity.
One small flight for drones
Submarines and rovers will go for a dive on the moons of Jupiter and Saturn
It's time to return to our hellish neighbor.
Small, but mighty.
Like, can we even do that?
Should we go? Can we afford to go? All this, and more.
Though commercial operations are at least a decade away, career opportunities in asteroid mining are here today, experts say.
But we'll have to get there first.
Reflections from a prodigious force in space exploration.
We all like having options.
Europa, the outer solar system, and a lot of questions.
It was our window to another world.
Requiem for a machine.
Google's Lunar XPrize just announced new prizes.
Autonomous science-bots will make it easier to explore our solar system … and beyond.
Skyping with Mars.
Heat and drills will help us probe for alien microbes
For the first time since the Viking mission failures, the space agency may take the direct approach
For your favorite space enthusiast, go above, to infinity, and beyond.
What we learned at a space conference that puts inclusivity first
Must-see destinations out beyond Mars
"Let's go get the science."
The journey from Bennu to Earth and the future
The journey to Mars, told in GIFs
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
Despite a recent glitch, LightSail 2 is still aiming for a historic flight in 2017
7 vehicles that will carry humanity into orbit and beyond very soon
The evolution of NASA's space helmets
Northwestern University puts on a Solar System symphony
Orbiting laboratory could pave the way for a landing party
Otherworldly desktop backgrounds.
The enormously ambitious mission faces a few challenges
Before Breakthrough Starshot goes interstellar, let's test the laser sails
Going to Alpha Centauri "within a generation"
The baron of low-Earth orbit
And it wouldn't actually be that expensive, thanks to robots, 3D printing, and SpaceX
Directed energy may be the key to rapid interstellar travel
These lucky CubeSats will ride on the maiden voyage of NASA's Space Launch System
The 1986 Space Shuttle tragedy killed all seven crew members, but their legacy lives on
The evidence is right in front of you.
Scientists are hot on the trail of our solar system's 9th planet
Boldly going where no bot has gone before
The next generation of planetary missions will look past surface appearances
Let 'er rip!
How much are we really paying to explore the universe?
Jocelyn Dunn survived in a Mars simulation for eight months without going crazy. Here's what we can learn from her experience.
Our solar system is pretty familiar by now, but even the Moon was shrouded in mystery just 50 years ago
Tiny satellites could help turn the Moon into a gas station for solar system exploration
A matter of momentum
A controversial bill would give companies the right to own natural resources in space, and it may pass in the Senate by the end of September
Will there be horrible consequences? Live video right here
Pluto is just the beginning
Stranger worlds to come
Can you feel the love?
After nine years and three billion miles, here's what we're learning from it all
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
It's been 50 years since we got the first images of Mars. Now we're about to get the first images of Pluto.
Raise the e-sail
And he thinks the upcoming flyby will prove it
Where no yeast has gone before
In 10 years, our Moon may get a tiny new moon
An interview with Keri Bean, NASA engineer and R2D2's best friend
This year's missions to the outer solar system are set to shake up the planetary family tree
Jupiter's moon is the best candidate for finding extraterrestrial life; here's how we're going to get there
The Dawn spacecraft could change the shape and scope of future missions
What's on the horizon for the New Horizons spacecraft
A glimpse into the birth of solar systems
One professor says an asteroid survey would be a better use of NASA's time and money.
NASA is taking suggestions this week
Lunar exploration started as an adventure, now prospectors also see dollar signs in that smiling cheese.
It's not easy to just cozy up to a rock barely longer than the Empire State Building.
Everything you need to know about NASA's plans to touch the sun.