A comet tearing through the inner solar system at roughly 58 kilometers per second formed between 10 and 12 billion years ago ...

Long before 3I/ATLAS slipped through the inner solar system, its water had already recorded the kind of place it came from.

Scientists have seemingly settled long-standing arguments about whether the components of Earth originated from the inner or ...

The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously thought, astronomers say. A comet named 3I/ATLAS likely weighs more than 33 ...

LONDON — A long-lost planet that helped create the Moon may have formed much closer to the Sun than scientists once thought, according to new research. Scientists have discovered that Theia, the ...

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...

New research from Rice University suggests that the giant planet Jupiter reshaped the early solar system in dramatic ways, carving out rings and gaps that ultimately explain one of the ...

Earth and the planetary object that gave rise to the Moon were likely born in the same region of the solar system. Reading time 3 minutes Around 100 million years after the formation of the solar ...

Earth and Mars were formed from material that largely originated in the inner solar system; only a few percent of the building blocks of these two planets originated beyond Jupiter's orbit. A group of ...