A planet so distant that its starlight began traveling toward Earth around the Middle Ages has given one University of Cincinnati graduate student the kind of first look astronomers wait years for.

Iron meteorites show the first bodies of the early solar system were 83% to 92% dry rock, with water arriving millions of ...

What processes are responsible for the first planets in our solar system forming? This is what a recent study published in Nature Astronomy hopes to addres | Space ...

New studies offer a clearer picture of how the outer solar system formed and evolved based on analyses of trans-Neptunian objects (TNOs) and centaurs. The findings reveal the distribution of ices in ...

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 two ingredients: heat-forged chondrules, which were ...

These images, taken with the European Southern Observatory's Very Large Telescope (VLT) shows a planetary system being born around the young star WISPIT 2. The star is surrounded by a disc of gas and ...

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Long before Earth had oceans, continents, or life, tiny grains of organic matter were drifting through the cold reaches of ...