Exoplanet news, features and articles

Researchers have shown that if the James Webb Space Telescope was pointed at Earth from a distant star, it could detect the signatures of intelligent life in our planet's atmosphere.

This Jupiter-size object is 80 times denser than a planet and hotter than the sun.

A gorgeous new image of a star system 5,000 light-years from Earth could finally explain how Jupiter-size planets are born from chaotic fields of gas.

A distant Jupiter-size planet could have the shattered remains of a smaller sibling in its tow.

A distant star system has Milky Way-like spiral arms orbiting it. New research suggests a giant planet may be to blame.

A distant planet named LTT9779 b reflects 80% of its star's light, making the strange world with metal clouds the biggest known "mirror" in the universe.

The Jupiter-sized exoplanet Halla has somehow survived the death of its star, and astronomers aren't sure how.

Scientists have discovered a weird celestial object that's blurring the line between planet and star.

A new analysis of Kepler data shows that one-third of small stars called M dwarfs may have the potential to host life.

The James Webb Space Telescope took its first close look at a "mini-Neptune" — the most common type of planet beyond our solar system — and found signs of water.