Explore how Earth would appear without life. Studies from Universe Today and Cornell University reveal atmospheric signals, surface conditions, and implications for exoplanet observations.

Here's a thought experiment that keeps planetary scientists awake at night. Strip every living thing from our planet, every bacterium, every blade of grass, every creature that has ever drawn breath ...

A global color mosaic shows Neptune’s largest moon, Triton, from images taken by the Voyager 2 spacecraft in August 1989. HELSINKI — China is charting a long-term deep space strategy centered on ...

For years, astronomers have searched the cosmos for planets capable of supporting life. Most efforts focus on the "habitable ...

“The presence of liquid water is considered critical for planetary habitability,” she said. “This work demonstrates that large quantities of water are created as a natural consequence of planet ...

(via Big Think) Astrophysicist and planetary scientist Sara Seager explores the search for Planet B, a true Earth-like exoplanet with continents, oceans, sunlight, and a thin atmosphere capable of ...

What can Venus-like exoplanets, also known as exoVenuses, teach us about our own solar system and potentially finding life beyond Earth, and how can the planned Habitable Worlds Observatory (HWO) ...

What is the habitability potential on Saturn’s moon, Enceladus? This is what a recent study published in The Planetary Science Journal hopes to address as a team of researchers investigated a ...

Understanding planetary habitability is one of the major challenges of the current scientific era. Though traditionally viewed through the lens of our home planet and its evolutionary history, data ...