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

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 ...

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

A study led by the University of Oxford has identified a new type of planet beyond our solar system—one that stores large ...

Astronomers are closing in on one of the most tantalizing possibilities in planetary science, evidence that a previously unknown world may be lurking in the outer reaches of the solar system. The ...

Astronomers have discovered a bizarre exoplanet slightly larger than Earth, covered by a vast magma ocean and wrapped in a sulfur‑rich atmosphere. Observations from the James Webb Space Telescope ...

It was almost 100 years ago that Clyde W. Tombaugh discovered Pluto. That was the last planet found until 1992, when humans found another one. But this new planet wasn't in our solar system—it was ...

Scientists find entirely new kind of planet - Study suggests that the galaxy’s planets could be far more different than we ...

In the early hours of July 14, a NASA spacecraft will make a historic first encounter with Pluto, the beloved dwarf planet that currently sits about 2.9 billion miles from Earth. The New Horizons ...