Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically ...

For decades, the four known forces of nature, gravity, electromagnetism, and the strong and weak nuclear forces, have ...

About 4.5 billion years ago, a colossal impact between the young Earth and a mysterious planetary body called Theia changed everything—reshaping Earth, forming the Moon, and scattering clues across ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The solar system suddenly has a new member. A new object ...

The world's largest solar telescope has reached an important milestone. The data published now were obtained during the technical commissioning of the instrument. The world's largest solar telescope, ...