But more importantly, we know a bit more about why the galaxy is the way it is.
James Webb is now slated for a 2021 launch—only a bajillion years late.
Confirming hints picked up by the Hubble just a few years ago.
The James Webb Space Telescope has an ever-expanding timeline—and projected cost.
I is for interstellar.
There's still more to explore after Pluto.
This summer, the mission may get funding to travel to a mysterious rock at the edge of the solar system
Stranger worlds to come
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
A gallery of photos, visualizations, and other pictures of outer space.
Introducing the High-Definition Space Telescope
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!
A rare galaxy formation gives glimpses into the early universe
Happy birthday to the best space telescope ever! Love, PopSci.
A beautiful new image of the aptly named Bubble Nebula
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.
You can't see it—but Hubble can.
It contains a whopping 665 million pixels.
When it's finished, it'll be the largest in the world, and up to 10x sharper than Hubble
Andromeda in high-def
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
The spectacular scope launches in 2019.
And you thought your home was dusty
In our galaxy, but still far, far away
Hubble Telescope will investigate further
See this interstellar blood bath in all its glory detail.
New Horizons scientist Leslie Young discusses what to expect from the flyby on Tuesday, and the 28-year wait leading up to it
Seeking a distant pale blue dot
When the stars align, you can zoom way in.
It could be the largest moon we've ever seen
In the December 1980 issue of Popular Science, a 38-year-old theoretical physicist answers the ultimate question about the universe.
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
We're going to need some more evidence.
Scientists directly imaged two embryonic exoplanets 370 light-years away.
And it's giving Einstein a run for his money
Observatories all over the world caught a new kind of collision.
The Dawn spacecraft arrives at Ceres this March, and it could be the most surprising space mission in decades
Hints of a subsurface ocean of H2O
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?
But the end is fast approaching.
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
Breaking down the Mauna Kea controversy.
Almost nothing like it has ever been observed on the red planet before
"Seeing color in a nebula from a garden in San Francisco? That's pretty cool."
Like, can we even do that?
He was excited to test his new camera, but he also captured something totally unique.
Cyborgs, and interstellar probes, and AI.
Hubble spots the most distant galaxy yet
Your aurora is showing
So close we might even be able to measure its wind speeds, GJ 1132b is a very important exoplanet
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
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.
The story of heroic fasteners that will get us to the moon and back.
Short answer: They create a beautiful swirling mess.