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

With its wide field of view, the TESS space observatory continuously monitors large swathes of the sky and records the ...

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

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

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 ...

However, the Italy-based The Virtual Telescope Project will give one last live peek at the exocomet as it cruises toward the Jovian moon Eupheme and eventually leaves the solar system. The live event ...

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

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 ...

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 ...