These three exoplanets are among the least dense ever found, and all attempts to probe their atmospheres have been blocked by a mysterious smog.

Astronomers discover L 98-59 d, a magma-covered exoplanet with a toxic sulfur-rich atmosphere, offering new insights into ...

If we're to find extraterrestrial life in the universe, astronomers have pinpointed the best places to look for it. They have ...

Rocky planets have so far been known in two different forms. However, an exoplanet has now been discovered that does not fit ...

Using the Transiting Exoplanet Survey Satellite (TESS), astronomers have discovered a new super-Earth exoplanet orbiting a star located about 83 light years away. The newfound alien world is slightly ...

Out of the 6,000 known exoplanets, it's these rocky worlds that are most worthy of attention in the search for life beyond our planet.

A newly identified world beyond our solar system is giving scientists a fresh look at how strange planets can be, and it may come with a stench to match. Astronomers have discovered what appears to be ...

The Hubble Space Telescope has been used to study 25 hot Jupiters. It has helped to answer "questions important to our ...

Earth-size planet (HD 137010 b) found orbiting a nearby star once a year, making it a promising target for finding life.

Scientists discover a nearby planet with a molten interior and sulfur-rich atmosphere, L 98-59 d, revealing a possible new ...

A rocky planet beyond gas dwarfs in LHS 1903 indicates that planetary systems form in unexpected ways.

Scientists have uncovered a hellish “lava world” where temperatures soar to a blistering 2,700 degrees Fahrenheit — hot ...