Only a few years ago, astronomers heralded the discovery of a rocky world circling the sun 's closest space neighbor, Proxima ...

Understanding exoplanet evolution could help solve the mystery of the 'hot Neptune desert.' As astronomers delve deeper into ...

The faraway exoplanet could help provide answers as to why there are hardly any planets with twice the diameter of Earth.

Scientists have discovered four new Earth-like rocky planets orbiting Barnard's Star, just six light-years away. Using ...

Scientists are using an array of instruments to detect other planets, some of which may harbor life—and others that most ...

The quartet of planets — named b, c, d and e — are some of the smallest rocky worlds ever detected. NASA says each has a mass ...

So in some sense, alien worlds were not first discovered in the 1990s or even the 1980s. It took nearly a century to fully ...

NASA's TESS telescope has discovered an intriguing exoplanet, TOI-1453 c, located 250 light-years away, with an unusually low ...

Here's where the James Webb Space Telescope comes in. Its advanced technology, including its large mirror and suite of ...

The James Webb Space Telescope has directly observed the key chemical of carbon dioxide in planets outside of our solar ...

Learn what planet rains molten iron and which planet has two moons like Tatooine in Star Wars.

A paper published in 2023 spurred discussion about whether life exists on an exoplanet named K2-18b. Two years later, the ...