Planets
“Great Cold Spot” Discovered on Jupiter
The ancient storm was hiding in plain sight
Take a Peek at the Auroras on Uranus
This composite image gives the best view yet of the seventh planet's atmospheric lights and ring
Hubble Snags Splendid Snapshot of Jupiter
The perfect photographic conditions make for a grand view of the gas giant
Atmosphere Detected Around an Earth(ish)-Sized Planet
Just 39 light years away, GJ 1132b is 1.4 times the Earth's radius and has an atmosphere that may be composed of steam or methane
A New Generation of Interplanetary Rovers Is Crawling Toward the Stars
These four-legged, wheel-less robots will explore asteroids and the frigid outer worlds of our Solar System
Mars May Have Had a Ring in the Past and Could Have One in the Future
The red planet's moon may have broken apart into a ring of debris and reformed several times over the planet's history
How Do New Planets Get Their Names?
Sorry, Planet McPlanetface: Asteroids, moons and other celestial bodies go through a strict set of international naming guidelines
The Case for Going to Venus
Sending a probe to Earth’s lifeless twin could help us understand how life rises—and falls—on faraway planets
One of Saturn's Moons is Making Astronomers Hungry
New images of the tiny moon are drawing comparisons to a ravioli, empanadas, walnuts, hamburgers...nom, nom, nom
New Definition Would Make the Moon and Pluto Planets
A suggested update to the International Astronomical Union criteria would add over 100 planets to the solar system
NASA Wants the Public to Log In to Help Find Planet 9
Citizen scientists can examine photos to help discover a new planet, which recent evidence suggests is hiding at the edge of the solar system
When Humans Begin Colonizing Other Planets, Who Should Be in Charge?
The biggest threat humans pose to other worlds is what we don’t know—or what we think we know, but don’t
Scientists Spot Seven Earth-Sized Planets Orbiting a Nearby Star
This newly discovered solar system presents the best opportunity yet to study potentially habitable worlds, NASA scientists report
“Are We Alone in the Universe?” Winston Churchill's Lost Extraterrestrial Essay Says No
The famed British statesman approached the question of alien life with a scientist's mind
NASA Releases Spectacular New Snapshots of Saturn’s Rings
Millions of moonlets appear to be tucked inside the debris that famously circles the planet
Scientists Spot Massive Wave in Venus' Atmosphere
The 6,200-mile long bow-shaped wrinkle may have been caused by gravity waves
Footprints Found at Ancient Hot Springs Could Represent Earliest Settlement of Tibetan Plateau
New age measurements of the footprints help pinpoint when humans first settled the highest region on Earth
Why Were Electric Cars Once Advertised as 'Ladies' Cars'?
Your questions answered by our experts
Sure, Earth Could Get Hit by a Deadly Asteroid—But There’s an Upside
Con: Devastating outer space impacts. Pro: Global unity!
Massive Survey Catalogues the Night Sky
Over four years, the Pan-STARRS telescope collected 2 petabytes of photos of the night sky, creating the most complete astronomical atlas yet
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