The gas giants outside our solar system are not capable of hosting extraterrestrial life, but do offer clues in a lingering ...

Astronomers have identified an ultra-light exoplanet orbiting the star TOI-1453, located 250 light-years from Earth. While the system contains two planets—a super-Earth and a sub-Neptune—it is the ...

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

For decades, astronomers have classified exoplanets into neat categories: rocky Earth-like planets, gas giants like Jupiter, and mini-Neptunes—small gas-rich worlds thought to be abundant in the Milky ...

NASA has discovered a new world, named Gliese 12 b. It is roughly the size of Earth, lies in the habitable zone, and orbits every 12.8 days.

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

Astronomers have discovered two new exoplanets that are similar to other worlds found in the Milky Way, but unlike any in our ...

What can Venus-like exoplanets, also known as exoVenuses, teach us about our own solar system and potentially finding life ...

The HR 8799 system is located approximately 135 light-years from Earth and hosts four known exoplanets whose masses range from five to nine times of Jupiter, and the 51 Eridani system is located ...

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