New simulations suggest sub-Neptune planets may be drier than thought, challenging the "water world" hypothesis and reshaping ...

A new study rules out the existence of global oceans of water on Neptune-like planets such as K2-18b, finding their water ...

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

Astronomers around the world have confirmed over 6,000 exoplanets, a milestone reached in025. Billions more are waiting to be ...

St. Andrews University physicists who looked at the planet said that the research conjures "two possible explanations." ...

With the discovery of ever more exoplanets—over 6,000 now—scientists, of course, want to know if they are habitable for life. (At least, life as we know it.) But assessing habitability is a difficult ...

This planet, located about 700 light-years from Earth, is known for its remarkably short orbital period and extreme surface temperature. It orbits closely around its star, with an orbital radius only ...

Astronomers might be close to confirming the presence of an Earth-like atmosphere on an exoplanet for the first time, ...

A new study challenges the dream of water-rich “Hycean” planets like K2-18b, suggesting that most sub-Neptunes lose their ...

Are Hycean exoplanets, which are a combination of hydrogen and a potential liquid water ocean, less common than previously hypothesized? This is what a rec | Space ...

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