Exoplanets are planets that orbit stars other than the sun and thus exist outside the solar system. The word "exoplanet" derives from the term "extrasolar planet," which hints at its existence beyond ...

A study using the Very Large Array radio telescope may have discovered a magnetic field on exoplanet YZ Ceti b. Magnetic ...

Astronomers have been looking for exoplanets orbiting Barnard's Star – the nearest solitary star to our Solar System, at just 5.96 light-years away – since its discovery in 1916. Unconvincing signs of ...

This animation shows how a system would look when the inclination is varied. For Tau Bootis an inclination of 44 degrees is measured. Note that the animation is not to scale: the size of the planet is ...

This animation shows magnetic activity in an exoplanet. The planet is a gas giant like Jupiter, but it’s very close to its host star and tidally locked: one side always faces the star and is scorching ...

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

When a distant exoplanet transits, or crosses in front of its star, it causes a slight dip in the star’s brightness. The Kepler space telescope measures this dip in a star’s brightness over time.