Not all of the solar system’s building blocks formed simultaneously. Some of the first solid bodies, or planetesimals, formed ...
The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...
The last universal common ancestor (LUCA) is the single life form that branched into everything since. Earth four billion ...
An instrument built by the University of Colorado Boulder will soon launch on a NASA space mission where it will aim to collect interstellar dust particles hurtling through space at an average of 16 ...
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What If Jupiter Was a Rocky Planet?
Eleven times wider than Earth. Over 300 times more massive. And a million times more terrifying. Jupiter may look like a ...
Around 66 million years ago, the reign of the dinosaurs came to a fiery end. An asteroid about 7 miles (12 kilometers) wide, ...
Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's not aliens.) The interstellar comet, originally called A11pl3Z and now ...
Comet 31/ATLAS is only the third interstellar object to ever be observed whizzing through the Solar System. While its origins are uncertain, the comet is thought to come from a part of the Milky Way ...
Webb just spotted a carbon-rich moon factory 625 light-years away, revealing how moons like ours may have first taken shape.
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