The United States is stepping back from the most direct test yet of possible alien biology on Mars just as new telescopes and ...

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

Scientists confirmed that the interstellar comet 3I/ATLAS, which passed closest to Earth in December 2025, showed no ...

Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

A study has cast doubt on the idea that Jupiter's moon Europa, where NASA has sent a spacecraft, could have conditions to ...

When interstellar visitor 3I/ATLAS exhibited some peculiar movements, speculation arose regarding potential alien origins.

Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien ...

For astronaut safety and to bolster success of the human exploration to come later, NASA needs an end-to-end demonstration of ...

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

Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very ...

New method reveals chemical signs of early microbial life in ancient Earth rocks, showing photosynthesis evolved much earlier ...