Scientists directly imaged two embryonic exoplanets 370 light-years away.
Megapixels: Binary stars are at the heart of this celestial crustacean.
Our neck of the universe is not such a flat space after all.
It's time to meet 2014 MU69.
We're under a time crunch.
His favorite astronaut, his most beloved fictional space explorer, and the discoveries that would have changed the plot of 'The Martian.'
And it's going to keep on smashing them.
The upper atmosphere of Venus is surprisingly similar Earth.
Meet the moon with 11 mile high cliff
And it could help prove the existence of Planet Nine.
Here are some highlights from its journey
From the Popular Science archives.
The survey also confirmed the existence of two other moons, whose discovery was announced last year
And that's only the inner asteroid belt.
Experts still aren't sure how the sixth military branch would actually work.
It all depends on who you ask
Is there a planet—or even planets—waiting to be discovered out there?
Two stars enter, one star leaves
Meanwhile in space: dusty donuts, 50 launches, and pizza storms on Jupiter.
Some science grinds to a halt when the government shuts down.
With an icy heart.
The simplest explanation is also the likeliest.
It just keeps exploding.
What is the solar wind, anyways?
All that glitters is a neutron star collision.
Momentous images from the spacecraft's grand finale.
Scientists recreated ice planets' diamond rain.
You can't see it—but Hubble can.
It's on Google Street View, and it looks incredible.
Another day, another hypothetical object on the outskirts of the solar system.
The spacecraft completely changed our view of Saturn and her moons
Radio waves might help protect us from space weather.
A gallery of photos, visualizations, and other pictures of outer space.
Heat and drills will help us probe for alien microbes
Dawn spacecraft discovers organic materials on its surface
Its dying gasps could reveal what makes stars go out with a bang
It may be the naked core of an ancient planet
Home is where you hang your pressurized helmet
He made history (again) by going to space at age 77
The first images from the pentultimate phase of the mission
Asgardia might become a legit state, but don't count on it
Deadly radiation could be breakfast for microbes on rogue planets, comets, and more
A quick primer on Martian law
They're already here
And may be generating heat in the planet's atmosphere
The Martian explorers might benefit from shoes that buzz
These student-designed containers will help astronauts to 'live long and prosper' on Mars and beyond
Why is NASA's longest-serving woman an hourly employee?
Bubble, bubble, toil and trouble
It just passed a pressure test with flying colors
Virgin Galactic says welcome aboard
The space gold rush is on
Rise Of The Rocket Girls gives the untold story of the women behind the space race
Astronauts will periodically enter the habitat designed by Bigelow Aerospace
Apollo 10 heard eerie music around the Moon, but it's really not too mysterious.
And it's still not Pluto
Mirror, mirror, in the clean room
From the April 1981 issue of Popular Science: "When scientists finally detect a form of energy they have never seen, they will open a new era in astronomy."
Not for the reasons you might expect
Go to Western Europe, young companies
Could shed light on whether the icy moon could support life
They do come from Antarctica, after all.
The 1986 Space Shuttle tragedy killed all seven crew members, but their legacy lives on
Scientists are hot on the trail of our solar system's 9th planet
This is anything but hot
With 'Star Trek' and Pluto stamps, its time to start mailing things again
President Obama signed the Space Act of 2015 over Thanksgiving
Cathy Olkin talks about what New Horizons has seen and where it's going next
Now it's up to President Obama to decide whether Earth businesses can own pieces of asteroids
One step closer to owning pieces of asteroids?
Better visit it soon!
Going together where very few have gone before
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
In 1962, Korabl-Sputnik 1 landed smack in the middle of a main street in Wisconsin
Astrobiologist wants to make sure the red planet is independent from the start
With environmentally friendly engines
Will there be horrible consequences? Live video right here
Pluto is just the beginning
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
HoloLens already used in weightless simulation free-fall flights
A new book showcases images from the forgotten Gemini mission, which taught NASA how to live and work in space
A look back at the spacecraft's greatest discoveries
A sweet experiment
What if water isn't essential for life to exist?
World View sets a new record in the quest to conquer the stratosphere
Close encounters of the stellar kind
The future of space travel is all about reusability
Jupiter's moon is the best candidate for finding extraterrestrial life; here's how we're going to get there
The Dawn spacecraft arrives at Ceres this March, and it could be the most surprising space mission in decades
Andromeda in high-def
What's on the horizon for the New Horizons spacecraft
NASA's second attempt to fly a capsule that could take us to Mars was a success
Beta Pictoris is the ultimate family man ... er, star