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

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.

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

Is alien life really out there? For decades, humanity has looked at the night sky and asked the same question. Now, according ...

Experts stress need for transparency while aiming to prevent premature announcements and protect scientists ...

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

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