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

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

The James Webb Space Telescope has detected water vapor and thick clouds on LTT 9779 b, an ultra-hot Neptune locked in a ...

Carbon dioxide detected in the atmosphere of exoplanets. The post Carbon Dioxide in Distant Exoplanets Discovered By ...

Thermal emission measurements from the exoplanet Trappist-1 b suggest two plausible yet contradictory scenarios ...

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

Webb’s latest discovery has opened a thrilling new chapter in exoplanet research by capturing the first-ever direct images of ...

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

Astronomers discover a super-Earth and a sub-Neptune 250 light years away from our solar system. These planets offer a ...

All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't ...

Exoplanets have a remarkable diversity of planetary types, including a class known as ultrahot Jupiters. The similarity to Jupiter in the Solar System is that they are gas giants. However, they ...