Exoplanets—planets that orbit stars beyond our solar system—have transformed our understanding of the universe. Since the ...

An exoplanet discovered in 2020 contains the coldest temperatures ever measured on a planetary body, according to scientists.

Of the more than 5,000 exoplanets that have been confirmed so far and many more thousands of candidates, most orbit stars the ...

Astronomers have detected molecules on exoplanet K2-18b that may have been produced by simple organisms, claiming it's the strongest evidence yet of life off Earth.

Artificial intelligence is transforming the search for alien life with new tools that detect UAPs and identify Earth-like exoplanets across the galaxy.

Astronomers using the James Webb Space Telescope have directly detected the faint glow of a planet that’s colder than any ...

At a frigid -125 degrees Fahrenheit (-87 degrees Celsius), WD 1856+534 b is the coldest planet ever directly observed, ...

This strange exoplanet, located 140 light-years away from Earth in the constellation Pegasus, appears to be rapidly falling apart. Its blistering host star is so close, the radiation is effectively ...

"Given everything we know about this planet, a Hycean world with an ocean that is teeming with life is the scenario that best ...

Astronomers didn’t even know sub-Neptunes existed until NASA’s Kepler mission uncovered them over the past decade. Although a ...