A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

Large Telescope observations of interstellar comet 2I/Borisov has revealed that it is "one of the most pristine ever observed ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...

SETI researchers found no alien signals on interstellar object 3I/ATLAS, but the study refines future searches and expands ...

Research indicates airport radar systems may unintentionally broadcast Earth's presence to aliens up to 200 lightyears away, ...

3I Atlas is one of the most unusual interstellar objects ever observed, showing behavior that initially confused scientists.

"Eventually, our own Voyager spacecraft will be extraterrestrial artifacts in other stellar systems." ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

Kris Kneen’s Rite of Spring is a pulsing story that moves energetically across its terrain, delivering a sense of alien ...

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an alien spaceship.

Based on evidence collected by the James Webb Space Telescope, researchers have found that interstellar comet 3I/ATLAS could ...

Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents ...