NASA’s James Webb Space Telescope has provided a direct look at the multiple gas giant planets within the iconic planetary system HR 8799. Located 130 light-years away, this system is young—about 30 ...

Young, close-orbiting exoplanets known as sub-Neptunes may form farther from their stars and migrate inward or lose their ...

Only in the 1990s was the first planet outside our solar system discovered. Since then, many extreme and bizarre planets have been discovered in faraway galaxies. For instance, there’s an ...