Exoplanets, planets that orbit stars other than our sun, are likely more numerous than the stars themselves. In the last 30 years over 4,000 exoplanets have been discovered. These worlds come in all ...

A new study modeled the chemistry of TOI-270 d, an exoplanet between Earth and Neptune in size, finding evidence that it could be a giant rocky planet shrouded in a thick, hot atmosphere.

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 ...

An artist’s rendering of Barnard’s Star, as seen from one of the newly discovered exoplanets orbiting it International Gemini Observatory / NOIRLab / NSF / AURA / P. Marenfeld under CC BY 4.0 ...

Data from the massive telescope also suggests the exoplanet, the name for a planet outside the solar system, may also have a surface covered in water and an atmosphere rich with hydrogen.

Named HD 20794 D, the newly discovered exoplanet orbits a star similar to the Sun, and researchers believe it may be able to sustain liquid water, which is vital for life, as we know it ...

And that’s exactly what scientists have been doing for decades: searching for exoplanets, worlds orbiting faraway stars. They’ve had tremendous success: So far, NASA’s official count of ...