Astronomers Peer at a Young Star System That Is Strikingly Similar to Our Own
DM Tau has its own asteroid belt, and may be developing its own versions of Earth and Neptune, too.
Astronomers Discover Rare Kilometer-Sized Object in Outer Solar System
“We didn't even have enough money to build a second dome to protect our second telescope! Yet we still managed to make a discovery that is impossible for the big projects.”
Astronomers Find the Most Distant Known Object in the Solar System
Nicknamed “Farout,” the world is 120 times farther from the Sun than Earth.
Humanity’s Next Mission to Mercury Will Test Einstein’s Theory of Relativity
BepiColombo is scheduled to launch from French Guiana at 9:45 PM ET on October 19.
Search for Planet Nine Turns Up Dwarf Planet at the Edge of Our Solar System
The world called 'Goblin' orbits about two times farther from the Sun than Pluto—and that's at its nearest point.
Twelve New Moons Discovered Orbiting Jupiter
The moons were discovered serendipitously while astronomers hunted for the hypothetical Planet Nine.
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Scientists Finally Prove Uranus Smells Like Farts
Based off a hypothesis originally introduced by every annoying third grader ever.
These Alien Diamonds Belonged to a Lost Mars-Sized World
Earth survived the solar system’s tumultuous infancy more or less intact. Other planets were not so lucky.
This Spliff-Shaped Interstellar Asteroid Just Buzzed by Earth
‘Oumuamua’s bizarre dimensions have “never been seen in our own solar system.”
How Far into the Future Can Total Solar Eclipses Be Predicted?
The Moon is slowly distancing itself from Earth, which means total solar eclipses have an expiration date.
Asteroids Started Out as Space Mud, a New Theory Suggests
This is weird.
How the Humble CPU Launched NASA’s Golden Age of Space Exploration
Even today, retro-computing is carrying humanity to the edge of interstellar space.