Passages of the Solar System have only been established in three interstellar objects, but the construction of new telescopes ...

Interstellar showcased a bleak future, but NASA's Artemis II mission looks to avoid a possible future for something even ...

Scientists report the first confirmed detection of thiepine, a complex sulfur-bearing molecule, in an interstellar cloud near the Milky Way’s center.

NASA’s TESS spacecraft captured dozens of images of interstellar comet 3I/ATLAS in. The data show the rare visitor behaves ...

The interstellar visitor may still have a few things to tell us before it leaves our solar system.

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American In an earlier blog post about Christopher ...

The brightness map captured by Hubble represents the state of 3I/ATLAS after its perihelion, showing how the interstellar ...

An international team of scientists has examined dust grains gathered by the NASA Stardust spacecraft and brought back to Earth – and has discovered that they originated in the interstellar dust ...