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 preserved fragment of ancient planetary system ...

Humanity has already sent five spacecraft on trajectories that will eventually carry them beyond the Solar System, demonstrating that technologically advanced civilisations can launch interstellar ...

Telescopes around the world are now tracking a new visitor to our celestial neighborhood. Streaking through at a speed and trajectory that not even the Sun's immense gravity can capture, we will only ...

Despite their (potentially) impressive numbers, these interstellar objects remain extremely difficult to observe. The odds of one venturing within 10 astronomical units—10 times the distance from ...

The universe is at it again; scientists have been baffled by a discovery that turns all the knowledge they have on planetary systems on its head. Scientists have discovered an alien solar system ...

Every night, the comet grows bigger and brighter in the sky, expelling streams of gas and dust that may offer up clues to its mysterious history Author of the article: You can save this article by ...

The idea sounds like science fiction, yet a Canadian researcher believes it deserves serious attention. Professor Alex Ellery of Carleton University suggests that self-replicating probes from other ...

Alien life may be hiding much closer to home than science fiction would have us believe, according to a particle physicist and dark matter researcher Dr Sarah Alam Malik, who argues that Saturn's ...

The nature of space, time and the evolution of life on Earth mean it’s unlikely extraterrestrial life has visited our home ...