The Perseverance rover has been exploring Jezero Crater for years, but it's never found an otherworldly object quite like ...
From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...
A NASA astrophysicist argues alien civilizations may be out there—but too quiet or distant for us to detect. Here’s the new ...
Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...
A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...
Comet 3I/ATLAS, a rare interstellar visitor, is visible this week as it departs the solar system, with some public events ...
SCIENTISTS are scratching their heads as 3I/ATLAS reaches its closest point to Earth, but it’s not behaving like a typical ...
A Harvard University astrophysicist has sparked a furious debate by warning he cannot rule out that extraterrestrials are ...
Interstellar comet 3I/ATLAS makes its closest approach to Earth this week, sparking alien theories and global interest as ...