Planets
Is Jupiter the "Star" in Lord Byron's Famous Poem?
According to astronomer Donald Olson, the brilliant star described in Childe Harold’s Pilgrimage is actually a planet
Magnetic Field Around Uranus Are a Chaotic Mess
Using data from the Voyager 2 mission, researchers have modeled Uranus's off-kilter magnetosphere
Kepler Finds 219 New Planets
NASA released the final catalog from its planet-hunting telescope, bringing its total up to 4,034 potential planets
Jupiter Could Be the Solar System's Oldest Resident
The early former may have set up just the right conditions for Earth to take shape
Researchers Discover a Planet That's As Hot As a Star
It's daytime temperatures clock in at a scorching 7,800 degrees Fahrenheit
New Views of Jupiter Offer Up Marvel and Mystery
From stunning polar images to weird aurorae, the gas giant is even weirder than we thought
Cassini Survives Its Daredevil Plunge Toward Saturn
The craft’s first date with the “big empty” went off without a hitch
How and When Did Saturn Get Those Magnificent Rings?
The planet's rings are coy when it comes to revealing their age, but astronomers are getting closer
Cassini Sends Back First Images From Its Saturn Dives
The stream of raw images include new pictures of the strange hexagonal storm swirling around its north pole
Cassini Makes a Daring Dive
The spacecraft is out of contact as it begins a series of dramatic orbits between Saturn and its rings
What's the Difference Between Horns and Antlers and More Questions From Our Readers
You asked, we answered
Exoplanet Discovery Arrives in Time for New Telescope Technology
Astronomers call LHS 1140b one of the "best targets" for hunting liquid water with NASA's James Webb Space Telescope
Meet DeeDee, the Solar System's Newest Dwarf Planet (Maybe)
Though the tiny icy orb meets all the criteria, it has yet to receive the official designation
“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
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