Logic would indicate that if significant numbers are reporting seeing strange objects in the sky then there may be a basis in fact,” a 1997 Defense Intelligence Staff memo said.

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

A genomic atlas of Nematostella vectensis reveals how primitive animals created multiple cell types millions of years ago, ...

A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 radio signals of ...

The International Space Station (ISS) is a closed ecosystem, and the biology inside it — including its microbial residents — ...

Exceptionally preserved fossils from the Ediacaran period challenge what scientists thought was possible in sandstone. In the fossil record, creatures without hard shells or skeletons, such as ...

I/ATLAS fuels a global security row as the CIA issues a 'Glomar' response to records requests. Is the interstellar object a ...

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 ...

NASA's Europa Clipper spacecraft has captured ultraviolet images of interstellar comet 3I/ATLAS, revealing hidden chemical ...

Advanced alien civilizations might not be whispering across the cosmos with radio waves at all, but instead flickering like ...

Abstract: Nature evaluates fitness through dynamic interactions between organisms and their environments, as exemplified by Darwinian evolution. Conversely, physical systems—such as those described by ...

The system is known as J1218/1219+1035, and is located 1.2 billion light-years from us. The three nuclei of the three ...