In the heart of our galaxy, scientists have discovered the largest sulfur-bearing molecule ever detected beyond Earth, with ...

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

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 ...

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

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 ...

“Time passed differently in the heavens. Muchukunda’s sacrifice became a cosmic bookmark between mythic epochs.” Cooper and ...

NASA's most distant spacecraft had a critical thruster problem far from home. Fixing it required a long-distance call to overcome extreme cold and dwindling power. When you purchase through links on ...

From surviving a trip through the event horizon of a black hole to impossible clouds made of solid ice, "Interstellar" went lighter on science than it did on fiction. From surviving a trip through the ...

2025 was a year packed with scientific discovery, with stories as large as the galaxy and as small as the DNA from a 24-million-year-old rhinoceros tooth (albeit an extinct one). In between, there ...