Scientists directly imaged two embryonic exoplanets 370 light-years away.
Even in space, bureaucracy exists.
It could be the largest moon we've ever seen
From the Popular Science archives.
Shower your friends with meteor facts.
The survey also confirmed the existence of two other moons, whose discovery was announced last year
Confirming hints picked up by the Hubble just a few years ago.
Don't you want to meet them?
Requiem for a machine.
Heat and drills will help us probe for alien microbes
It's designed to search for life on Jupiter's icy moon
The agency's new GIPHY page is a delight
It starts orbiting the deadly planet in July
Sometimes you just need a rocket that flies at 2 million miles per hour
Fortunately it's not headed for Earth
The ocean-filled moon might hold the life we've long searched for in space. And scientists have one shot to reach it.
Short answer: It depends who you ask
It's called a conjunction, and it sure is pretty
And he thinks the upcoming flyby will prove it
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
With no plans for future upgrades, the telescope faces a fiery end
A gallery of photos, visualizations, and other pictures of outer space.
The water worlds in our solar system are adding up
Submarines and rovers will go for a dive on the moons of Jupiter and Saturn
Europa, the outer solar system, and a lot of questions.
There's still a lot to learn about the surface of Jupiter's moon
We're under a time crunch.
New Horizons scientist Leslie Young discusses what to expect from the flyby on Tuesday, and the 28-year wait leading up to it
Why is NASA's longest-serving woman an hourly employee?
The evidence is right in front of you.
On a semi-regular basis
On Io, the floor is basically lava
A good week for space photography
Researchers might not have to dig as deep as they thought to find proof of biological activity.
Short answer: Because we changed the definition of the word “planet” to better fit its meaning.
The truth is out there
Landing in this intriguing region may reveal whether the icy moon could support life
Rise Of The Rocket Girls gives the untold story of the women behind the space race
What could darken so much of an 80 million-square-mile storm?
They're starting with glaciers and working their way up to space
Which one will win? We'll find out in 2019.
New research provides some clues about our solar system's most mysterious planet.
Marking a new space milestone
Water, water, everywhere (but especially around the poles)
Feast your eyes on one of the top candidates for extraterrestrial life.
Fifty times the size of Jupiter.
Houston, we have a ringer
A Saturn IB perched atop a launch pedestal is an odd but iconic image of the end of the Apollo era. Here's why it existed.
This summer we'll get our closest ever look at the stormiest planet in the solar system
We're on the scene for the Juno spacecraft's arrival at Jupiter tonight
Let the science begin
Problems with the spacecraft's engines are preventing it from entering a new orbit for observations
Things haven't gone according to plan.
Small, but mighty.
Shamu dreams of Europa.
"Seeing color in a nebula from a garden in San Francisco? That's pretty cool."
Blame it on the dark side
In 1952, the Hayden Planetarium offered applicants the trip of a lifetime
Till mid-February, early risers will see the first five-planet alignment in a decade
Autonomous science-bots will make it easier to explore our solar system … and beyond.
The early solar system was a wild, world-destroying place.
Figuring out if conditions are right for life on Jupiter's icy moon
Stranger worlds to come
Tiny satellites could help turn the Moon into a gas station for solar system exploration
Here's the whole collection
Researchers hope Juno could help shed light on why Jupiter's northern and southern lights behave differently.
Bright lights, big planet.
How the gas giant got its rings.
My, what epic epochs you have there
As you battle the blizzard, just be happy you don't live on Pluto
The latest and greatest images from the New Horizons mission
The Saturn explorer's death spiral begins on Sunday
What is going on with my moon?
See you on the dark side of the moon
Getting too much suns
Hints of a subsurface ocean of H2O
Earth's orbit is becoming dangerously crowded with space junk.
Should we go? Can we afford to go? All this, and more.
The first one we've seen outside our solar system
The baron of low-Earth orbit
With scorching temperatures day and night, WASP-43b ain't no place to live.
A mission to Phobos and Deimos could pave the way for putting humans on Mars
Reminder: space is really big
Pluto is just the beginning
Another reason to look for alien life there
Using Hubble's ultraviolet capabilities, the light show comes to life
A conversation with the founder of Moon Express
What did Hubble find on Europa?
It's both chance and certainty. And there's something kind of beautiful about that.
Meet the moon with 11 mile high cliff