Using the James Webb Space Telescope (JWST), scientists have found the coldest exoplanet that is orbiting a dead star, also ...

What's more, no exoplanets with emission spectra cooler than 275 K (1.85 °C; 35.33 °F) - comparable to Earth - have been ...

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

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

Comets that have hit Earth have been a mixed bag. Early in Earth's history, during the solar system's chaotic beginning, they ...

Researchers came to the conclusion that super-Earths can exist as far from their host star as our gas giants are from the sun ...

A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But ...

Astronomers published evidence of possible biosignatures on the planet K2-18b earlier this month, but another look at the ...

"If the ultimate result of this story is that the public is more circumspect about future claims of life detection, that's ...

Using the Korea Microlensing Telescope Network (KMTNet), an international team of researchers has discovered that super-Earth ...

The findings in the study were made via microlensing, an observational effect that occurs when the presence of mass warps the ...

Does alien life exist on an exoplanet? On TikTok, a University of Oxford astrophysicist cast doubt that extraterrestrial life ...