Rather than slowly condensing over millions of years, the first building blocks of Earth and other planets may have formed rapidly in a chaotic disk at the dawn of the solar system ...

Max Planck Institute for Extraterrestrial Physics scientists have been able to disentangle the X-ray glow originating in our solar system from similar emission reaching us from deep space, using data ...

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