The skepticism and debate around the question of "are we alone in the universe" makes the field of astrobiology more cautious ...

A type of lichen was able to survive extreme UV radiation in the lab, suggesting that ozone protection might not be required for life on exoplanets.

In this week’s episode of Space Minds David Ariosto sits down Nathalie Cabrol, Director of the Carl Sagan Center at the SETI Institute who explains why the Red Planet may hold answers about ...

Stories about the existence of aliens, and our chances of detecting them, tend to be positive. We are told that we might ...

Learn why a lichen found in the Mojave Desert has become key evidence in the search for extraterrestrial life.

Astronomers have been trying to detect atmospheres on planets orbiting TRAPPIST-1, but bursts of radiation from the star make ...

NASA model predicts the life-hosting potential of remote planets and moon New habitability tool blends biology, chemistry, ...

Former NASA official Joseph Gutheinz dismisses the notion of alien visitors, urging people to focus on scientific evidence rather than speculation. He argues that vast astronomical distances and the ...

The search for extraterrestrial life has long gone back and forth between scientific curiosity, public fascination and outright scepticism. Recently, scientists claimed the “strongest evidence” of ...

New claim of ‘alien’ life leaves space world in a bind. An astonishing new claim that we have finally discovered “alien life” has left the space world reeling.

If confirmed, it would be the first proof of extraterrestrial life and a major leap in man's understanding of the cosmos. Advertisement. A hycean world. Nemes Laszlo/science Photo Library/Getty ...

But so far, no solid evidence of life has ever been found beyond the Earth. A paper published in April 2025 claimed to detect a signature of life in the atmosphere of the planet K2-18 b .