Not all of the solar system’s building blocks formed simultaneously. Some of the first solid bodies, or planetesimals, formed ...
An international team of researchers has just revealed the existence of three Earth-sized planets in the binary stellar ...
Space weather isn’t referring to rain clouds that float through the galaxy. Instead, it’s caused by massive explosions of ...
The object that smashed into Earth and kick-started the extinction that wiped out almost all dinosaurs 66 million years ago was an asteroid that originally formed beyond the orbit of Jupiter, ...
The Erigone family of asteroids are water-rich space rocks that provide a window into the solar system's past. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...
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'Planet Y' theory hints at hidden Earth-size world lurking in the solar system — and it could be much closer to us than 'Planet Nine'
Credit: Shutterstock Astronomers believe they have uncovered evidence of a previously unknown ninth planet lurking in the not ...
There's something big missing from our solar system — and that may be a good thing. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Planetary ...
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