A recently discovered "super Earth" located around 25 light-years from our planet is not as massive as previously thought, ...

The scientist has outlined the 'potentially devastating and irreversible long-term impacts' of unknown organisms in space ...

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

A new study proposes examining Mars and other space samples on the Moon before bringing them to Earth, arguing it would ...

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth could thus be overlooking prime evidence of alien intelligence.

The nature of space, time and the evolution of life on Earth mean it’s unlikely extraterrestrial life has visited our home ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life. Tardigrades—a type of invertebrate ...

Disclosure Day treats extraterrestrial life as a challenge to faith. It’s not.