Scientists are trying to learn how small an exoplanet with an atmosphere can be. When you purchase through links on our site, ...

New research suggests AI can be repeatedly fooled into mistaking non-life for life.

For decades, humanity has listened to the cosmos, hoping that somewhere among the stars another civilization might be trying ...

A new policy paper proposes a lunar biocontainment facility for extraterrestrial samples. This secure lunar laboratory would ...

A rocky world orbiting within its star’s habitable zone may be surrounded by a helium-rich atmosphere, providing the ...

A meteorite that crashed into a New Jersey home in 2024 is a rare, primitive space rock containing evidence of ancient water.

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of biology because they are often produced by living microbes. However, ...

NASA plans to launch the Habitable Worlds Observatory in the 2040s, a mission whose goal is “to image Earth-like planets ...

A 300-foot-tall anomaly on one of Mars' moons has intrigued observers for years.

Throughout June 2026, SETI Institute scientists, affiliates, and collaborators contributed to discussions spanning ...

A group of astronomers has detected a sugar molecule swirling inside a cloud of gas and dust near the centre of our galaxy.

Astronomers find planet that is shockingly like Earth in huge milestone for search for aliens - First ever discovery of its ...