A growing number of studies have cast doubt on earlier claims about signs of life on K2-18b, a planet 124 light-years away in the Leo constellation, concluding that the available data doesn’t support ...

Signals from a distant world have pushed the search for alien life out of science fiction and into the realm of testable ...

Back in April, the world became captivated by the news that maybe, just maybe, we weren't alone in the universe after all. If extraterrestrials were to exist on a distant exoplanet as a team of ...

Are Hycean exoplanets, which are a combination of hydrogen and a potential liquid water ocean, less common than previously hypothesized? This is what a recent study published in The Astrophysical ...

An exoplanet orbiting a dwarf star 124 light-years from Earth made headlines around the world in April 2025. Researchers at the University of Cambridge reported that planet K2-18b could be a marine ...

Recently, a group of scientists claimed they found possible signs of life on a planet called K2-18b. The news made headlines. Researchers said... Exoplanet K2-18b: Home to alien life or noisy data?

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...