It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

Machine learning is quietly rewriting the rules of the cosmic hunt for company. Instead of waiting to recognize familiar ...

A giant impact on the early Earth could have brought the building blocks of RNA to our planet, which new research suggests ...

In the many decades of NASA exploration, there has only been one detection that got on that scale. It was collected by the ...

Data from the James Webb Space Telescope on exoplanet K2-18b has revealed the "strongest hints yet of biological activity ...

The best reason to send humans to Mars isn’t for guts or glory—or the construction of colonies to safeguard against existential Earth-bound risks. Instead it’s to answer a single, simple question: Is ...

Americans are becoming more open to the idea that aliens have visited Earth, according to a series of polls that show belief in alien visitation has been steadily on the rise since 2012. Moreover, ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

Until then, all nine episodes of Pluribus can be streamed on Apple TV.

Steven Spielberg’s new UFO movie has reignited speculation within the alien conspiracy theory community, especially after cryptic billboards teasing the upcoming film popped up across the country this ...