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

The James Webb Space Telescope has taken the deepest look yet at Kepler-51d, an ultra-low-density exoplanet sometimes compared to cotton candy, and found that a thick atmospheric haze blocks nearly ...

The four planets of the Kepler-223 star system appeared to have little in common with the planets of our own solar system today. But a new study using data from NASA’s Kepler space telescope suggests ...

It’s finally happening. NASA has announced that its Kepler telescope may have seen its last exoplanet, as the spacecraft has now all but run out of fuel. The rest of this article is behind a paywall.

Astronomers have used the James Webb Space Telescope to capture the most detailed look yet at the atmosphere of Kepler-51d, a planet so lightweight it has been compared to cotton candy. The new data ...

When NASA scientists began planning the Kepler mission, humans didn’t know of a single planet outside of our solar system. But by the time the roving space telescope retired, on October 30, it had ...

A team of astronomers has found the first transiting circumbinary multi-planet system: two planets orbiting around a pair of stars. This discovery shows that planetary systems can form and survive ...