A scientist argued that a Viking lander experiment in 1976 detected microbial life on Mars and urged NASA to repeat the tests ...

Harvard astrophysicist Avi Loeb's speculative claim that 3I/ATLAS could be an alien AI probe ignites scientific debate, NASA ...

Astronauts of the future may be radically different from the rest of us in physiology and psychology. So, to what extent ...

Aliens may have lived in our solar system, according to new research. NASA scientists have unveiled evidence that the dwarf ...

Elon Musk says true immortality lies in preserving human stories forever through a space-based AI encyclopedia, not in living ...

In the real world, convinced that aliens were planning to beam him into the sky, Daniel says that he repeatedly drove his ...

NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts ...

The findings potentially solve the paradox of how liquid water seems to have persisted on Mars even when the climate grew too ...

A study by scientists at Penn State and NASA shows that intact biomolecules from dormant microbes break down much more slowly ...

While imperceptible to humans, these tiny delays are significant for experiments that rely on pulsars as ultra-precise cosmic ...

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

Neptune, Calif., the fictional coastal hometown of Kristen Bell's teen detective, is back on our radar. Veronica Mars is now ...