Latest Solar System Stories
The Most Capable Robot Geologist Ever Built Now Heads to Mars to Find Life
New Measurements Size Up Distant Dwarf Planet Eris As Pluto’s Twin
Simulation Suggests There May Have Been a Fifth Gas Giant in Our Solar System
Pluto May Be Hiding Oceans Underneath Its Frozen Exterior
New NASA Photos Show Footprints on the Moon
Japanese Domino’s Unveils Elaborate, Carefully Thought-Out Plans to Sling Pizza on the Moon
Future Mars Colonists Will Pack Their Power to Go in a Suitcase Nuclear Reactor
Earth-Generated Panspermia: Scientists Describe How Earth Rocks Could Have Seeded the Rest of the Solar System With Life
Space Boat: A Nautical Mission to an Alien Sea
Carefully Engineered to Survive Fierce Radiation, Juno Probe Launches Today to Visit Jupiter
Earth May Once Have Had Two Moons That Collided to Form the One We Know
Archive Gallery: Early Visions of Human Spaceflight
Happy Anniversary, Neptune! After 165 Years, The Most Distant Planet is Back Where We Found It
Are We Prepared for a Catastrophic Solar Storm?
Curiosity Rover Mission Has Narrowed Possible Destinations Down to Two
Want a Space Suit? You Just Might Find One at an Auction
When The Sun Unleashed Its Recent Plasma Blast, Earth Got Lucky
Worms Discovered in Two-Mile-Deep Gold Mine Are the Deepest-Dwelling Complex Life Forms
This Is the Last Image the Spirit Mars Rover Ever Saw
Student Designers Design a Tent Perfect for Camping Out on Mars
RIP, Spirit: NASA to Cease Trying to Contact Its Silent Mars Rover
Former Apollo Astronaut and Senator Says Mining Helium on the Moon Could Solve The Global Energy Crisis
New Bill Directs NASA Back to the Moon By 2022, With Permanent Habitation In Mind
FYI: Can We Make Mars Habitable By Pumping the Atmosphere Full of Oxygen?
Judging By Its Funny Orbit, The Moon Titan May Have a Massive Ocean
Dramatic Video Shows How New Mars Rover Will Land Using a Sky Crane
NASA’s Prototype Mars Space Suit Gets a Frosty Antarctic Performance Test
After Messenger Spacecraft’s Successful Orbital Burn, Mercury Now Has Its First-Ever Satellite
After Earth: Why, Where, How, and When We Might Leave Our Home Planet
Biggest Full Moon in 19 Years Will Make Your Night Brighter, More Romantic Than Usual
Backyard Astronomer Nabs Stupendous Sun Photo
Plants Can Survive the Radioactive Soils of Chernobyl, Widening Options For Space Farming
Two Planets Discovered Sharing the Same Orbit
NASA’s STEREO Mission is Now Beaming Back the World’s First 3-D View of the Sun
Archive Gallery: Mankind’s Eternal Fascination With the Mysterious Moon
Who Owns the Moon’s Water? Future Moon Mining Missions May Face Legal Disputes
Experiment Confirms Viking Actually Did Find Organic Compounds on Mars 30 Years Ago
A New Greenhouse Could Provide Food and Oxygen To A Lunar Colony
Archive Gallery: PopSci’s Most Fantastic Space Colonies
A Prototype Greenhouse Demonstrates the Future of Farming on the Moon
Smog on Titan Moon May Hold Ingredients For Life, New Study Says
First Mars Landers Might Have Found Organic Material In 1976, and Destroyed It By Accident
Future Mars Colonists Could Learn To Terraform By Studying Darwin’s Methods
What Created This Smooth, 200-Mile-Long Trench On Mars?
Mysteriously, Solar Activity Found to Influence Behavior of Radioactive Materials On Earth
Big Bear Solar Observatory Snaps the Most Detailed Pic of a Sunspot Ever
How Close Could a Person Get to the Sun and Survive?
After 12,000 Days in Space, Voyager 1 Heads for the Solar System Boundary
Juno Probe, Built to Study Jupiter’s Radiation Belt, Gets A Titanium Suit of Interplanetary Armor
NASA’s Curiosity Mars Rover Gets New Steering System, Will be First Rover to Land Directly on its Wheels
Scientists Strengthen Their Case That A Martian Meteorite Contains Signs Of Life
Did a Lunar Art Caper Put The First Museum on the Moon in 1969?
Cassini Shoots Stunning New Images of Saturn
Rover Challenge 2010: University Teams Test Mars Rovers in Utah Desert
Japan Plans a Moon Base by 2020, Built by Robots for Robots
While Hiding Behind the Sun, Jupiter Loses One of its Belts
Could an Asteroid Impact Knock the Moon into the Earth?
This Chip Can Sift Martian Soil For Alien DNA
Space Hotel Pioneer Bigelow Envisions Inflatable Moon Bases
To Crack the Mystery of the Hexagon on Saturn, Researchers Model it in Water
The Homemade Lunar Lander
Bad News for Terraformers: Periodic Bursts Of Solar Radiation Destroy The Martian Atmosphere
Orange Dwarf Confirmed to be On Likely Collision Course With Our Solar System
Google’s Liquid Galaxy Machine Sends Users on Immersive Tour of Earth, Moon, and Mars