There's still more to explore after Pluto.
Confirming hints picked up by the Hubble just a few years ago.
James Webb is now slated for a 2021 launch—only a bajillion years late.
The James Webb Space Telescope has an ever-expanding timeline—and projected cost.
I is for interstellar.
This summer, the mission may get funding to travel to a mysterious rock at the edge of the solar system
With no plans for future upgrades, the telescope faces a fiery end
A Gallery Of Photos Curated By The Person Who Made Most Of Them
Stranger worlds to come
But more importantly, we know a bit more about why the galaxy is the way it is.
Introducing the High-Definition Space Telescope
A gallery of photos, visualizations, and other pictures of outer space.
The telescope began work 26 years ago today, but getting there wasn't so easy
Now it's ready for the final tests before launch in 2018
A lack of personnel makes the problem more precarious.
Otherworldly desktop backgrounds.
300 times the coverage!
Happy birthday to the best space telescope ever! Love, PopSci.
A beautiful new image of the aptly named Bubble Nebula
A rare galaxy formation gives glimpses into the early universe
Spaceman documents Mike Massimino's unlikely journey from fire inspector's son to elite astronaut
Megapixels: Binary stars are at the heart of this celestial crustacean.
An excerpt from Spaceman, a memoir by astronaut Mike Massimino
It's surprisingly lacking in heavy elements
The ability to gather more information means we'll spend more time sifting through it.
It contains a whopping 665 million pixels.
You can't see it—but Hubble can.
A mix of what people got down to during the mission and what you should get down to today.
Andromeda in high-def
When it's finished, it'll be the largest in the world, and up to 10x sharper than Hubble
Mirror, mirror, in the clean room
With a view 100 times larger than Hubble's, the WFIRST scope could discover thousands of exoplanets and millions of galaxies
Ready by 2022
Hubble Telescope will investigate further
The spectacular scope launches in 2019.
And you thought your home was dusty
New Horizons scientist Leslie Young discusses what to expect from the flyby on Tuesday, and the 28-year wait leading up to it
In our galaxy, but still far, far away
See this interstellar blood bath in all its glory detail.
Seeking a distant pale blue dot
In the December 1980 issue of Popular Science, a 38-year-old theoretical physicist answers the ultimate question about the universe.
When the stars align, you can zoom way in.
It could be the largest moon we've ever seen
With scorching temperatures day and night, WASP-43b ain't no place to live.
Yesterday's Antares failure was not exactly unprecedented.
Where have they been hiding?
55 million light years away
Hope you're not afraid of heights
It's official: the next big telescope will launch in October 2018
And it's giving Einstein a run for his money
Observatories all over the world caught a new kind of collision.
We're going to need some more evidence.
Scientists directly imaged two embryonic exoplanets 370 light-years away.
Hints of a subsurface ocean of H2O
The Dawn spacecraft arrives at Ceres this March, and it could be the most surprising space mission in decades
Who knows what might be lurking on this weird, tiny space rock
Approximately 100 million years before Beyonce was born
The Large Magellanic Cloud isn't just a pretty satellite galaxy—it's also a future threat.
Mars is at its closest and clearest right now. You know you want to look at it.
The biggest and baddest ground-based telescopes are on their way
Teach a computer to see and it'll work for a lifetime
Complete with tiny laser beams
What did Hubble find on Europa?
The top 7 explanations for the star's weird behavior, ranked roughly in order of plausibility
Scientists just switched on the Event Horizon Telescope
The traveller (maybe from another star) didn't stay long and it's moving away fast
But the end is fast approaching.
Breaking down the Mauna Kea controversy.
Almost nothing like it has ever been observed on the red planet before
He was excited to test his new camera, but he also captured something totally unique.
"Seeing color in a nebula from a garden in San Francisco? That's pretty cool."
Your aurora is showing
Like, can we even do that?
Cyborgs, and interstellar probes, and AI.
So close we might even be able to measure its wind speeds, GJ 1132b is a very important exoplanet
Hubble spots the most distant galaxy yet
With an icy heart.
What could darken so much of an 80 million-square-mile storm?
An interview with Keri Bean, NASA engineer and R2D2's best friend
To Mars or bust
Mike Massimino shows me around
Two stars enter, one star leaves
It's actually more of a holiday yardstick.
Wednesday was a big morning for astronomers.
The journey to Mars, told in GIFs
For your favorite space enthusiast, go above, to infinity, and beyond.
This year's missions to the outer solar system are set to shake up the planetary family tree
Earth life: an early arrival at the party
So long, and thanks for all the planetary science
A sky full of super-Earths
It has to do with a surprisingly hazy atmosphere.
Through the looking glass of general relativity
A portrait of the planet in high-resolution
Big things come in small packages
Twinkle, twinkle, little star, how I wonder where you went
The story of heroic fasteners that will get us to the moon and back.
A competition to send us to the stars
Two for the price of one.
Looking at the stars takes you back through time. All the way to the beginning.