Where did life on Earth come from? It is one of humanity’s oldest and most fascinating questions. For centuries, people have ...

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

And if aliens made of different stuff potentially possess consciousness, then why not minds made of silicon, metal, and ...

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

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.