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 using the James Webb Space Telescope are unraveling the mysteries of TRAPPIST-1e, an Earth-sized exoplanet 40 ...

But those claims were quickly met with pushback. Independent analyses of the same JWST data suggested the team's evidence for ...

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

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

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

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 ...

Astronomers have discovered that many sub-Neptune exoplanets, once thought to host vast oceans, are far less watery than ...

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 have discovered that "super-Earth" planets may exist on wider orbits than previously thought — and this implies these rocky, or "terrestrial," worlds are far more common than was suspected ...