Learn more about L 98‑59 d, an exoplanet 35 light‑years away with a deep global magma ocean ...

Using the James Webb Space Telescope, astronomers have discovered an example of a new class of exoplanet, and it smells like ...

How does fine dust aggregate into building blocks that ultimately form entire planets like our Earth? A research team led by ...

Astronomers have identified a strange new kind of exoplanet that challenges how scientists classify worlds beyond our Solar System. The planet, L 98-59 d, appears to contain a vast ocean of molten ...

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

A bizarre, ultra-light planet is cloaked in such a thick haze that even JWST can’t reveal its composition. Its unusual size and orbit are forcing scientists to rethink how planets form.

Talk about a hot mess. Scientists have uncovered a hellish “lava world” where temperatures soar to a blistering 2,700 degrees Fahrenheit — hot enough to melt rock into a churning ocean of magma and ...

Astronomers may have discovered a new type of planet beyond our solar system, according to new research. The exoplanet, named ...

Kepler-51d is a giant, ultra-light “super-puff” planet wrapped in an unusually thick haze that’s blocking scientists from ...

The molten planet, with an atmosphere rich in sulfur-bearing gases, is unlike anything astronomers have ever smelled.

Debate has raged for two decades over whether Pluto should be considered a planet. Some want President Trump to take action via executive order.