Hycean worlds are also called ocean worlds. They're planets covered in oceans that also have thick hydrogen atmospheres.

The researches say that the Hycean Habitable Zone (HHZ), when compared to the terrestrial habitable zone, may include smaller ...

Before they take the long journey to another planet, humans will have to find the right place to land. New findings from a ...

Astronomers have added two more exoplanets to a growing study aimed at finding out whether rocky worlds near small, faint ...

Not only does this research offer new clues about how Earth has maintained the delicate balance needed for life, but it may ...

Over the last few years, the term “Goldilocks Zone” has become widely used to describe the range of distances from a star ...

Earth has not always been so hospitable to live. During several ice ages, the planet's surface was almost completely frozen ...

When the Earth froze over, where did life shelter? MIT scientists say one refuge may have been pools of melted ice that dotted the planet's icy ...