Even 50 years after Apollo 11 landed on the moon.
We have no idea what it might be.
An unprecedented cosmic observation.
There go our hopes of nuking an apocalyptic asteroid.
But where is this stellar river heading?
New research provides some clues about our solar system's most mysterious planet.
Shamu dreams of Europa.
We're under a time crunch.
His favorite astronaut, his most beloved fictional space explorer, and the discoveries that would have changed the plot of 'The Martian.'
Short answer: Because we changed the definition of the word “planet” to better fit its meaning.
Here are some highlights from its journey
From the Popular Science archives.
The survey also confirmed the existence of two other moons, whose discovery was announced last year
What's the matter with dark matter?
Plus: new insights into the planet's interior.
It's just plane confusing.
In the December 1980 issue of Popular Science, a 38-year-old theoretical physicist answers the ultimate question about the universe.
New Horizons will soon find out what's up with MU69.
And it's much bigger than we expected.
The traveller (maybe from another star) didn't stay long and it's moving away fast
But we'll have to get there first.
The spacecraft completely changed our view of Saturn and her moons
Can we, uh, not give up on this planet quite yet?
The Saturn explorer's death spiral begins on Sunday
Astronomers catch a galaxy magnifying and splitting the light from a supernova
Deep-sea vents could infuse Enceladus' ocean with microbe food
Three of them may be habitable
They're a potential source of food, air, clothing, and more. But will they survive the journey, and can we avoid contaminating the red planet?
Seeking a distant pale blue dot
Hawking radiation observed in a homemade black hole analogue
Giant planet orbits three stars at once
LIGO experiment reports a second successful discovery
And other experiments launching to the International Space Station this month
Now if only they could find out what causes it
If we detect them, it could mean a lot about the universe
Nuclear explosions, space collisions, or gentle nudges from an ion beam?
Could alien life survive on Saturn's moon?
Fortunately it's not headed for Earth
Piping hot Jupiter fries, please!
The first one we've seen outside our solar system
Short answer: It depends who you ask
A new study reveals bacteria can survive atmospheric entry
After nine years and three billion miles, here's what we're learning from it all
Even though I helped demote it
Witness history in the making
Scientists catch a Neptune-style orbiter by its very long tail
And he thinks the upcoming flyby will prove it
It's been hiding under debris for billions of years
Rosetta is on a journey to unlock the history of the solar system.
Explore the architecture of the universe
About 120,000 civilians will see everything from arc jets and astrobiology labs to giant centrifuges and wind tunnels.
Flying crawling space robots. Cool, not nightmares.
But does it come with a complementary breakfast?
The spacecraft has orbited a duck-shaped comet since 2014, but now its mission is drawing to a close
Naming new worlds is a confusing mess
Gravity makes the Earth round.
Scientists are hot on the trail of our solar system's 9th planet
And it could provide a glimpse into our planet's future
Unlike the Philae lander, this one bounces around on purpose
Mysterious substance may form hairs that are hundreds of thousands of miles long
From the April 1981 issue of Popular Science: "When scientists finally detect a form of energy they have never seen, they will open a new era in astronomy."
The company's open source AI software is an armchair explorer's dream.
But we're not quite ready to trash general relativity.
The finding is good news for the search for intelligent alien life
On a vomit comet
And no, I did not throw up.
A real breath of fresh air.
And it's going to keep on smashing them.
The robot's failed mission shouldn't come as a shock.
The latest addition to the exoplanet freakshow
This Mars-sized exoplanet is a big deal
Warping space to fight infinities
Rubin, who died Sunday, was never recognized for her work on dark matter
A curved line marked the planet's surface for four days
And TESS is just getting started.
It's not easy to just cozy up to a rock barely longer than the Empire State Building.
How the gas giant got its rings.
Resveratrol might mitigate the muscle loss seen in low-gravity environments.
Q&A with Amy Shira Teitel on 'Breaking the Chains of Gravity'
The evidence is right in front of you.
Intriguing results from LISA Pathfinder mission
Zero gravity pharmacy
Future astronauts may depend on it, and a new forecast is about to be put to the test
In memory of "the last moonwalker"
Orbital manufacturing is already paving the way for better solar panels, faster internet, cleaner computer chips, and lab-grown human hearts
It's time to return to our hellish neighbor.
Solar storms, sharp sand, and near-weightlessness are just the tip of the iceberg.
A new vehicle design could enable same-day shipping from the ISS to Earth, making science experiments in microgravity cheaper and easier.
The Dawn spacecraft arrives at Ceres this March, and it could be the most surprising space mission in decades
NASA is still trying to figure that out
Plus, 9 simple ways to move in zero gravity
Sudden peeing, sweat balls, and so much more
The heavy heart may have tipped the world over
Three designs for an in-suit toilet take home $30,000