The first unmistakable signal from another intelligence may not be a cheerful greeting. A growing group of researchers is ...

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 ...

Mars has an active, electrically charged surface where dust storms and spinning dust devils regularly move and reshape the ...

For generations, the question of whether life exists beyond Earth has captivated humanity. On Mars, faint traces in ancient ...

A Congressional bill restores funding for most NASA space science missions, but there is no money for returning samples ...

Scientists have discovered a mysterious hole on the surface of Mars, and they have no idea what lies inside it. This pit, ...

Astronomer Avi Loeb suspects this interstellar visitor is a piece of alien technology, citing its unusual traits and the ...

A new study reveals that tiny fragments of Earth's atmosphere are transported to and absorbed by the moon via gusts of solar ...

Though this hunt came up empty, the fact that 3I/ATLAS is only the third known object found in the solar system after ...

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

I/ATLAS is a natural celestial object with all the qualities typical to a comet. It doesn't just belong to our solar system.