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

Scientists studying the interstellar object ‘Oumuamua have proposed that it may be a fragment from a Pluto-like planet beyond ...

Harvard astrophysicist Avi Loeb claims humanity missed a historic chance to find alien life on interstellar object 3I/ATLAS, warning it may have been a spacecraft on a seeding mission.

Martian Moon Deimos Might Have Reshaped Itself and Its Orbit: Dr. Matija Ćuk, SETI Institute research scientist, and collaborators propose that Mars’s smaller moon may have undergone repeated ...

Scientists have found new evidence suggesting that interstellar 3I/ATLAS is not an alien spaceship, as one conspiracy theory ...

Weeks after a rare interstellar comet made its closest pass to the sun, it will make it’s closest pass to Earth. NASA’s Psyche mission acquired four observations of interstellar comet 3I/ATLAS over ...

A team of astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spaceship. The comet was confirmed in July 2025 as the third known object to enter our solar ...

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

Sputnik skies to analysis of interstellar visitors, scientists are rethinking how and where to look for physical traces of ...

Aug. 11—Famous for finding gold-filled shipwrecks and sunken submarines, a Spokane firm's latest discovery may have come from the cosmos. Williamson & Associates, a deep-sea engineering firm based in ...