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

Most of us go through life assuming Earth’s place in the universe is secure. We picture our planet as a blue marble, peacefully orbiting the Sun in a cosmic dance that’s guaranteed to go on for ...

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 ...

Solar prominences are massive chunks of plasma floating above the Sun’s surface, which can cause dangerous solar eruptions.

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

An international team including astronomers from the Center for Astrophysics | Harvard & Smithsonian (CfA) has announced the discovery of a planet about twice the size of Earth orbiting its star ...