Our solar system's famous "invader" might be as old as the Milky Way itself.

Like it or not, it's hard to argue against Interstellar being a classic. Its emotional core, incredible ensemble cast, stunning VFX, and accurate science make it one of the most impressive films of ...

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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 European Space Agency (ESA) has released a video of interstellar comet 3I/ATLAS, constructed from images taken by a probe ...

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 ...