There's no telling what will gain traction on social media, but one conspiracy theory has gained enough traction for NASA to make a statement.

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

In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...

Astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spacecraft. 3I/ATLAS was confirmed as the third known object to enter our solar system from interstellar ...

Scientists are sharpening the methods used to search for alien artifacts inside our own solar system, drawing on recent ...

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

Interstellar visitor 3I/ATLAS sparked alien probe theories, fueled by Harvard scientist Avi Loeb's suggestions. However, extensive research using powerful telescopes like the Green Bank Telescope ...

For generations, humanity has stared into the velvet abyss of the night sky, asking the same existential question: are we truly alone? In just a few days, that query may finally move from the realms ...

A provocative hypothesis by Harvard astrophysicist Professor Avi Loeb, that the interstellar object 3I/ATLAS might be an alien artificial intelligence (AI) probe, has ignited fierce debate across the ...

Astronomers suspect that a massive metallic cloud swirling in a nearby star system could be hiding a giant planet or dwarf star from view, after it drastically dimmed a sun-like star for around nine ...