Astrophotographers and stargazers are in for a treat this week as Saturn and Neptune reach their brightest in days. According ...

New simulations suggest Earthlike planets may be much more typical than previously thought whereas water worlds may not.

A new study challenges the idea that Hycean planets are ocean worlds. Chemical reactions between hydrogen-rich atmospheres and molten interiors may reduce surface water, making these sub-Neptunes less ...

A new study challenges the dream of water-rich “Hycean” planets like K2-18b, suggesting that most sub-Neptunes lose their water deep into their interiors during formation. Instead of vast oceans, ...

"The complexity of the exo-Neptunian landscape provides offers a unique window onto the processes involved in the formation ...

For decades, astronomers have wondered whether Earth-like planets are rare gems or commonplace across the stars. Recent ...

On Saturday, September 20, the shadow of Titan, the largest moon of Saturn, will cross the face of the "Lord of The Rings".

An exoplanet orbiting a dwarf star 124 light-years from Earth made headlines around the world in April 2025. Researchers at ...

There is much less water on the surfaces of distant planets outside our solar system than previously thought. These ...

Scientists are unraveling the mysteries of "steam worlds"—exoplanets known as sub-Neptunes that are rich in water but orbit so close to their stars that their surfaces are shrouded in thick ...