We'll need more money, more time, or both.
The story of heroic fasteners that will get us to the moon and back.
New research provides some clues about our solar system's most mysterious planet.
Shamu dreams of Europa.
Except it's multi-million dollar instruments instead of plush toys.
We're under a time crunch.
Deep Sea Meets Deep Space
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.
Momentous images from the spacecraft's grand finale.
To gain an edge here on Earth, China is pushing ahead in space
Go lander go!
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
7 vehicles that will carry humanity into orbit and beyond very soon
A simulated mission visits a simulated asteroid
Before Breakthrough Starshot goes interstellar, let's test the laser sails
And it wouldn't actually be that expensive, thanks to robots, 3D printing, and SpaceX
In the California desert, Honeybee Robotics is testing a drill that could search for life on other worlds
Now it's up to President Obama to decide whether Earth businesses can own pieces of asteroids
NASA is taking suggestions this week
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
And that in turn could help us get to Mars, says NASA-commissioned study
Pluto is just the beginning
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.
Figuring out if conditions are right for life on Jupiter's icy moon
What's on the horizon for the New Horizons spacecraft
We all like having options.
Scientists are hot on the trail of our solar system's 9th planet
These lucky CubeSats will ride on the maiden voyage of NASA's Space Launch System
Where no yeast has gone before
Astronauts could call one of these home sweet space-home
Reflections from a prodigious force in space exploration.
The longest-running surface mission laid the groundwork for some big things ahead.
The company hopes to put robots on the moon's South Pole by 2020
Tiny satellites could help turn the Moon into a gas station for solar system exploration
But we'll have to get there first.
Unfortunately, NASA doesn't have a good game plan
Q&A with Amy Shira Teitel on 'Breaking the Chains of Gravity'
Going to Alpha Centauri "within a generation"
Yes, this article has spoilers
The Dawn spacecraft could change the shape and scope of future missions
Many hopefuls have signed up for a one-way ticket to the red planet. But if they aren't prepared, the trip may be a short one.
Rodents suffer from cognitive problems months after encountering space-like radiation
For the first time since the Viking mission failures, the space agency may take the direct approach
The next big step towards sending humans to Mars
Short answer: a time machine
The agency is “years away” from building a replacement
Europa, the outer solar system, and a lot of questions.
Researchers might not have to dig as deep as they thought to find proof of biological activity.
Buried under an ice cap, the water is so deep scientists couldn't probe to the bottom.
If it's not delayed again, that is.
The 1986 Space Shuttle tragedy killed all seven crew members, but their legacy lives on
Heat and drills will help us probe for alien microbes
It's not easy to just cozy up to a rock barely longer than the Empire State Building.
The window of Opportunity is closing.
An interview with Keri Bean, NASA engineer and R2D2's best friend
Rise Of The Rocket Girls gives the untold story of the women behind the space race
Orbiting laboratory could pave the way for a landing party
Spaceman documents Mike Massimino's unlikely journey from fire inspector's son to elite astronaut
Two private citizens have reportedly paid up for a lunar jaunt
InSight will tell us about the planet's interior, but it's got to stick the landing first.
Astrobees could help free up astronauts' schedules.
It's a groundbreaking step, but hardly surprising.
The enormously ambitious mission faces a few challenges
The space gold rush is on
A lesson from the Apollo missions
Lockheed Martin will build a deep space habitat inside a space shuttle cargo container.
A long time ago, this galaxy formed far, far away
Raise the e-sail
For the moon, Mars, and beyond
The Voyager spacecraft are bringing “Johnny B. Goode” into deep space
From the Popular Science archives.
Before we built the International Space Station, these concepts promised incredible futures.
A conversation with the founder of Moon Express
Deep convolutional neural networks make the impossible possible
One more thing to worry about in space.
Shooting for the stars.
NASA's Vickie Kloeris explains the challenges of designing food for deep space missions
The anniversary of the Viking landing
"Let's go get the science."
Don't worry, it's supposed to do that
Not quite ready for takeoff
Ready, set, go.
Though commercial operations are at least a decade away, career opportunities in asteroid mining are here today, experts say.
What the heck is a Space Force? We finally (sort of) know.
A 2024 mission is pretty unlikely.
We haven't seen a rock like this in 50 years.
This year's missions to the outer solar system are set to shake up the planetary family tree
Going together where very few have gone before
The next generation of planetary missions will look past surface appearances
The journey to Mars, told in GIFs
Looking for life in weird places
A curved line marked the planet's surface for four days
The Space Launch System could carry astronauts as soon as 2019