Long before 3I/ATLAS slipped through the inner solar system, its water had already recorded the kind of place it came from.

An interstellar comet carries water unlike anything in our solar system, revealing a far colder birthplace and clues about ...

Learn more about the interstellar traveler, Comet 3I/ATLAS, and what researchers know about its place of origin.

Protoplanetary disk. Figure from a computer simulation visualizing the formation of planets (https://svs.gsfc.nasa.gov/12278 ). Photo: NASA/JPL-Caltech. August 22, 2024, Mountain View, CA - An ...

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

These images, taken with the European Southern Observatory's Very Large Telescope (VLT) shows a planetary system being born around the young star WISPIT 2. The star is surrounded by a disc of gas and ...