Planets
Find out everything there is to know about planets and stay updated on the latest planet news with the comprehensive articles, interactive features and planet images at LiveScience.com. Learn more about space and the solar system as scientists continue to make amazing discoveries about planets.
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Single enormous object left 2 billion craters on Mars, scientists discover
By Sascha Pare published
An object that slammed into Mars roughly 2.3 million years ago created 2 billion smaller craters around the main Corinto impact crater, near the Red Planet's equator.
James Webb telescope to zoom in on Uranus and Saturn in study of mysterious auroras
By Robert Lea published
Two projects using the James Webb Space Telescope will look at the auroras of Uranus and Saturn to discover what processes make them tick.
Have all 8 planets ever aligned?
By Charles Q. Choi published
The solar system's eight planets will never truly be in a straight line, but they can get close to it.
Gargantuan volcano on Mars found hidden 'in plain sight,' and it could hold potential signs of life
By Emily Cooke published
A newly discovered volcano near Mars' "Labyrinth of Night" could be a "prime" spot to search for life on the Red Planet, scientists say.
Space photo of the week: Can you spot the hidden robot on the slopes of Mars?
By Jamie Carter published
NASA's Mars Curiosity rover hides in plain sight in this aerial photo of the treacherous Martian landscape.
Jupiter's moon Europa lacks oxygen, making it less hospitable for sustaining life
By Jennifer Nalewicki published
Data compiled from NASA's Juno mission shows that Europa, Jupiter's ice-covered moon, severely lacks oxygen.
Astronomers narrow down where 'Planet Nine' could be hiding by playing massive game of 'connect the dots'
By Harry Baker published
The researchers who originally proposed the Planet Nine hypothesis have narrowed down where the giant elusive world might be hiding, after carrying out an exhaustive sweep of the theoretical planet's orbital pathway.
Mars-bound astronauts will face incredible stress. Here's how we can prepare them to make history.
By Nick Kanas published
Traveling to Mars will involve close quarters for more than two years. Here's how astronauts can deal with the stress of those conditions.
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