Rather than slowly condensing over millions of years, the first building blocks of Earth and other planets may have formed ...

Before the solar system had planets, the sun had rings — bands of dust and gas similar to Saturn’s rings — that likely played a role in Earth’s formation, according to a new study. “In the solar ...

Meteorite isotope research shows Earth's composition aligns almost entirely with inner solar system materials, with Jupiter's gravity likely blocking outer solar system debris. Published in Nature ...