HD 209458 b, nicknamed "Osiris," is one of the first exoplanets seen passing in front of its star, and it's about 159 light-years from Earth. Kepler-186f is the first Earth-sized planet discovered in ...

The James Webb Space Telescope and the ground-based Keck Observatory have detected clouds on Titan, revealing active methane ...

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

Roman was similarly designed with a focused set of science goals, including exploring an uncharted region of exoplanet ...

We tend to think of habitability in terms of individual planets and their potential to host life. But barring outliers like ...

An astonishing new claim that we have finally discovered “alien life” has left the space world reeling. The world of astronomy is abuzz with excitement. Have we discovered the first-ever evidence of ...

Webb Space Telescope reveals a surprisingly clear atmosphere on planet TOI-421 b, helping scientists understand the evolution ...

Astronomers have detected the most promising signs yet of a possible biosignature outside the solar system, although they ...

Neptune, TOI-270 d provides a critical opportunity to understand atmospheric composition and planetary evolution in a ...

A planet circling at a sharp 90-degree angle to the orbits of its two host stars has now been confirmed. This discovery ...

New views of TOI-421 b by JWST gives insight into how the most common type of planet in the galaxy might form.

The idea that our Solar System is representative of other solar systems hasn't survived the age of exoplanet discovery.