Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...

A NASA‑linked study argues that alien probes could already be in our Solar System, but our surveys are still too crude to ...

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other ...

When interstellar comet 3I/ATLAS was discovered by the ATLAS survey telescope in Chile on July 1, 2025, it quickly attracted ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new ...

Humanity has already sent five spacecraft on trajectories that will eventually carry them beyond the Solar System, ...

Is the rest of the cosmos a pristine environment awaiting the arrival of humanity’s “post-human” descendants? Or is advanced ...

To date, over 5000 exoplanets have been discovered using telescopes on the ground and in space. Credit: NASA/JPL-Caltech ...

Once small enough, these technograins might gain a trip out of its host solar system by a solar wind that overcomes the ...

Our search for technosignatures—clear signs of advanced civilizations beyond Earth—takes many forms. Many are driven by the famous Drake equation, which attempts to estimate how many technological ...

The United States government’s recent release of hundreds of previously classified Unidentified Anomalous Phenomena (UAPs) ...