A new paper suggests that BARSOOM may have been alive on the planet, and was killed in the Viking experiments.

Neutrinos are very small, neutral subatomic particles that rarely interact with ordinary matter and are thus sometimes ...

Researchers looking for signs of extraterrestrial life instead stumbled upon a pulsar at the center of the Milky Way galaxy.

If we were to ever find alien life, breaking the news to the general public could be much more difficult than one might think ...

Baker’s yeast isn’t just useful in the kitchen — it may also be built for space. Researchers found that yeast cells can ...

If true, the idea would blow past one of physics’ most sacred limits: that parallel versions of reality can never talk to ...

We may have detected Martian life 50 years ago.

The tallest cliff in the solar system is so extreme that even imagining standing on its edge is enough to make your stomach ...

There’s no denying the allure of alien artifacts. Science fiction is awash in the material remnants of extraterrestrial civilizations, which surface in everything from the classic books of Arthur C.

A team of astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spaceship. The comet was confirmed in July 2025 as the third known object to enter our solar ...