Earth’s earliest chapter is mostly gone. Rocks from the planet’s first few billion years have been eroded, buried, recycled, ...
Starlust on MSN
Another planet in our early solar system? First evidence of Moon-sized object found from meteorite
Scientists found proof that a giant early planet existed in the solar system 4.5 billion years ago.
The outer solar system once seemed like a quiet backwater. But a glut of tiny, strange moons with unruly orbits are coming ...
ScienceAlert on MSN
The Solar System May Have Lost 2 Planets, And The Mystery Just Deepened
(Ianm35/iStock/Getty Images Plus) The Solar System is one of the comforting constants of human existence. No matter what else ...
Looking at the Solar System, Jupiter and Uranus both have plenty of irregular moons. In supercomputer simulations, the ...
Jupiter's giant moon Ganymede is the only known moon to have its own magnetic field — and it may be heating up in a process "not yet observed anywhere else," new research suggests. This standout ...
Saturn's largest moon, Titan, is a unique environment in our solar system. It is the only moon (or body beyond Earth) to have ...
ScienceAlert on MSN
A Lost World Almost as Big as Mars May Have Once Orbited Our Sun
An artist's conception showing a planetary smash-up between a Moon-sized object and a Mercury-sized object. (NASA/JPL-Caltech ...
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Flybys of Jupiter ...
When worlds collide…suns act squirrely. Astronomers have witnessed a rare and violent cosmic crash between two planets, and they say the fallout could teach us about the formation of our world. The ...
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