Latest about Solar System
NASA reveals 'glass-smooth lake of cooling lava' on surface of Jupiter's moon Io
The volcanic surface of Jupiter's huge moon Io got a stunning close-up thanks to NASA's Juno mission.
Pluto's huge white 'heart' has a surprisingly violent origin, new study suggests
Tombaugh Regio — the large, pale heart that dominates Pluto's terrain — is made of nitrogen ice that accumulated after a huge, slow-motion impact, new research suggests.
NASA engineers discover why Voyager 1 is sending a stream of gibberish from outside our solar system
Voyager 1 has been sending a stream of garbled nonsense since November. Now NASA engineers have identified the fault and found a potential workaround.
Where does the solar system end?
The location of the solar system's outer boundary is a point of contention among astronomers. There are three possible candidates, which "all have merit." But which one is best?
Have all 8 planets ever aligned?
The solar system's eight planets will never truly be in a straight line, but they can get close to it.
NASA unveils cryptic message from Earth to be sent to Jupiter's icy ocean moon Europa
From a poem written by a U.S. Poet Laureate to millions of stenciled names, NASA's Clipper spacecraft's trip to Europa will be marked with a human touch.
Every 2.4 million years, Mars tugs on Earth so hard it changes the ocean floor
A new geological study suggests that Mars' gravitational field pulls the Earth closer to the sun over cycles lasting millions of years, warming our climate.
Hiroshima fallout may offer a glimpse of the early solar system
Bits of glass called Hiroshimaites may have formed by processes similar to those that formed the sun and the planets.
Passing stars may have changed Earth's orbit and climate, study finds
Passing stars may have altered Earth's orbit, and its climate, many times throughout cosmic history. New research digs into what that means when it comes to understanding our planet's past.
Astronomers narrow down where 'Planet Nine' could be hiding by playing massive game of 'connect the dots'
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.
