New research confirms Earth formed almost entirely from material in the inner Solar System, with Jupiter acting as a barrier to outer Solar System debris. Isotopic analysis of meteorites shows a close ...

Astronomers now estimate there is at least one planet for every star in our galaxy. These worlds, called exoplanets, are ...

Planets may form more easily around pairs of stars than around single stars like the sun, according to new research.

Astronomers discover that the rotation speeds of distant planets reveal how they form and evolve in the universe ...

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 ...

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

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

Comets are loose collections of ice, dust and frozen gases left over from the solar system's formation 4.6 billion years ago.

New observations of interstellar comet 3I/ATLAS show high levels of deuterated water, suggesting it formed in a colder star ...

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

New research reveals that the mysterious interstellar visitor 3I/ATLAS comes from a very cold alien environment, new research ...

A mysterious interstellar comet older than the Sun is exposing alien chemistry and rewriting astronomy as we know it.