Add Yahoo as a preferred source to see more of our stories on Google. An illustration shows what exoplanet K2-18b might look like based on data from NASA's James Webb Space Telescope. K2-18b is 8.6 ...

The James Webb Space Telescope has detected clouds made of silicates, similar to sand here on Earth, as well as water, ...

Exoplanets are planets outside Earth's solar system. In 1995, a gas giant named 51 Pegasi b, which orbits a star similar to Earth's sun, etched its name in history as the first exoplanet ever ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. This artist’s concept depicts one possible appearance of the planet Kepler-452b, the first ...

Astronomers have discovered that super-Earth exoplanets are more common across the universe than previously thought. While it can be relatively easy to locate worlds that orbit close to their star, ...

Kepler-186f is a rocky little world in the Goldilocks zone around its star. It's the fifth planet from its parent star, and yet it orbits at a distance comparable with Mercury's orbit around our sun.

What role can the relationship between oxygen (O 2) and ozone (O 3) in exoplanet atmospheres have on detecting biosignatures? This is what a study submitted to Astronomy & Astrophysics hopes to ...