Located less than 20 light years away, HD 20794d could potentially be one of the most Earth-like planets found so far, despite its extreme climatic variability.
"The planet has complex weather patterns just like Earth and other planets of our own system."
Hot Jupiters may not be the lonely giants scientists once thought they were.
When two giant planets collide, an even bigger world may be born.
Once thought to be 8 billion years old, the star HD 110067 — famous for its six synchronized exoplanets — may be only 2.5 billion years old, new research suggests.
An ancient exoplanet dated at 12.7 billion years old could have formed over a long period in a giant disk of gas, according to new JWST observations.
Investigating a young exoplanet called PDS 70b in its cocoon of natal gas and dust has shown that planets don't always resemble the environments they form in.
The innermost Earth-like planet in the famous TRAPPIST-1 system might be capable of supporting a thick atmosphere after all, according to new research.
A sodium cloud detected in the vicinity of an exoplanet named WASP-49 b hints at the presence of a natural satellite, also known as an exomoon.
Using the James Webb Space Telescope, astronomers have found a "first of its kind" world, an exoplanet that is twice the size of Earth and has an atmosphere packed with steam.
