A new DNA model suggests humans didn't reach Australia until 50,000 years ago, but archaeological data disagrees.

A mysterious visitor from another solar system could be an alien spacecraft, according to a leading Harvard astronomer.

The Black Knight satellite myth claims that a mysterious object—possibly of alien origin—has been orbiting Earth for 13,000 years. This theory combines a mix of unrelated events, including Nikola ...

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

NASA’s clean-rooms are meant to be the surgical suites of spaceflight—over-pressurised, HEPA-filtered boxes where not even a stray eyelash should survive. Yet ...

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 ...

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

The origin of life is one of the most fundamental and enduring questions of mankind and one of the three greatest Origin ...

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

Researchers have long investigated what type of life exists beyond Earth and how we can find it. A new method focuses on looking for one of the most basic signs of living microbes – movement.

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