When astronomers announced Kepler-452b, they were not just adding another distant world to a growing catalog. They were ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

American space agency NASA announced the launch of an improved software called ExoMiner++ that is used to detect exoplanet ...

Scientists have detected a hidden alien planet by examining the orbits of the known worlds in the star system, known as Kepler-139. The newfound exoplanet, called Kepler-139f, is a gigantic world ...

Worlds upon worlds await us in the cosmos and we’re finding more all the time. Before 1992, we weren’t even completely certain planets existed outside of our solar system. Now, astronomers are finding ...

New discoveries and fresh looks at familiar worlds show how far exoplanet science has come — and how much remains unknown. When you purchase through links on our site, we may earn an affiliate ...

Alien solar systems that are home to so-called "hot Jupiters" — gas giants circling sizzlingly close to their stars — are unlikely homes for Earth-like planets, researchers say. Hot Jupiters get their ...

In 2021, a curious discovery pushed penguins into an unexpected corner of science. Researchers studying chemical signatures ...