The story of heroic fasteners that will get us to the moon and back.
The early solar system was a wild, world-destroying place.
The robot's failed mission shouldn't come as a shock.
Our eyes in the sky are facing budget cuts
Not quite ready for takeoff
Stranger worlds to come
We all like having options.
What is going on with my moon?
Europa, the outer solar system, and a lot of questions.
Short answer: a time machine
The lightning struck more than twice.
Two private citizens have reportedly paid up for a lunar jaunt
Each Apollo lunar module cost about $149,000,000. So why were they unceremoniously smashed into the Moon?
Raise the e-sail
Kepler and Dawn guzzled through their precious gas for similar reasons.
7 vehicles that will carry humanity into orbit and beyond very soon
And other Tiangong-1 facts.
Confirming hints picked up by the Hubble just a few years ago.
The plumes are stunning—and scientifically useful.
And the rockets' red glare...
Blue Origin could bring Bezos's shipping empire to deep space
There's still more to explore after Pluto.
New Horizons will soon find out what's up with MU69.
The spectacular scope launches in 2019.
James Webb is now slated for a 2021 launch—only a bajillion years late.
In one of the most isolated places on the globe, the 'Spacecraft Cemetery' provides a watery grave
An excerpt from the June 1962 issue of Popular Science, in honor of Glenn's 95th birthday
Divest from Russia, with love
Which one will win? We'll find out in 2019.
New high-res images from New Horizons reveal a very blobby space rock.
But we won't know where it's going until the government shutdown ends.
Doesn't seem too fair.
Like, can we even do that?
The James Webb Space Telescope has an ever-expanding timeline—and projected cost.
NASA announced the nine astronauts selected for its Commercial Crew program.
American Nick Hague and Russian Alexey Ovchinin endured a rough emergency landing.
The Great Lakes are mighty chilly.
The journey to Mars, told in GIFs
The Parker Solar Probe is our first mission to "touch" the Sun
It's the dawn of Martian seismology.
Earth isn't flat, but this strange world might be.
Nearly all of the water astronauts drink and shower with comes from their urine and sweat.
Lunar exploration started as an adventure, now prospectors also see dollar signs in that smiling cheese.
No crowdfunding required
Here's how it all began.
A bigger bang
In 10 years, our Moon may get a tiny new moon
Many more eyes in the skies
Space gets a little more crowded
The 1986 Space Shuttle tragedy killed all seven crew members, but their legacy lives on
Orbital manufacturing is already paving the way for better solar panels, faster internet, cleaner computer chips, and lab-grown human hearts
Sticking with Plan A
Should we go? Can we afford to go? All this, and more.
With an icy heart.
How much are you willing to pay to become an astronaut?
A slew of new startups are vying to serve the booming market for small satellites by launching small rockets more frequently and cheaply
But the end is fast approaching.
Launching a big rocket? You'll need to get wet.
The Crew Dragon's engine test anomaly this past weekend will have dramatic consequences over the next year, and beyond.
When exactly the massive rock hit Earth remains a mystery
SpaceX better watch its back
Nuclear explosions, space collisions, or gentle nudges from an ion beam?
The Space Launch System could carry astronauts as soon as 2019
Like a giant egg yolk in the sky
Two for the price of one.
I is for interstellar.
It has to do with a surprisingly hazy atmosphere.
"Seeing color in a nebula from a garden in San Francisco? That's pretty cool."
The Japanese billionaire isn't the only one headed for the moon.
After a long trip, OSIRIS-REx gets down to business.
MU69 is far from your run-of-the-mill solar system object.
But more importantly, we know a bit more about why the galaxy is the way it is.
Excerpt: A Book of the Moon
A mix of what people got down to during the mission and what you should get down to today.
The solar system's smallest planet finds a place in the sun
This summer, the mission may get funding to travel to a mysterious rock at the edge of the solar system
The revolutionary explorer gets a life extension
Get ready for OSIRIS-REx
The rover shut down science activities a few days ago.
About 120,000 civilians will see everything from arc jets and astrobiology labs to giant centrifuges and wind tunnels.
In 1952, the Hayden Planetarium offered applicants the trip of a lifetime
Here's what New Horizons saw as it zoomed past the former planet
There's a good reason why all of today's manned spacecraft look pretty much the same
The Rogallo wing was NASA's multi-million dollar 1960s attempt to stop ending its missions with splashdowns. It didn't work.
A lesson from the Apollo missions
Inside the dreaded 'pogo effect'
All eyes are on Florida's Space Coast.
Breaking down the Mauna Kea controversy.
A look behind the scenes of NASA's advanced solar probe