An image from the ALMA telescope array in Chile shows jets of silicon monoxide blowing away from the young star HOPS-315. The blue jet is moving towards Earth, and the red jet is moving away from us.

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Earth and Mars emerged from the same young solar system around 4.5 billion years ago, yet they may have been assembled ...

Scientists have shown that Earth’s basic chemistry solidified within just three million years of the Solar System’s formation. Initially, the planet was barren and inhospitable, missing water and ...

When the solar system first took up the task of building solid bodies — such as planets, moons, and protoplanets — it basically had a choice between ...