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 ...

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

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 ...

The universe is always moving. While we've found evidence of rogue black holes and planets, new research suggests that a passing star could be out there somewhere. Unfortunately, If it were to swing ...

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 ...

Earth Day is April 22, but activities begin this weekend. They include a festival featuring Washington’s favorite geologist, ...