Astronomers have discovered a new class of exoplanet that defies traditional categories of planetary classification. In a ...

Discovered in 1930 at the Lowell Observatory, Pluto was demoted as a planet in 2006. Some want President Trump to take action via executive order.

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 ...

SCIENTISTS have uncovered an absolute stinker 34 light-years from Earth. A newly discovered planet, called L 98-59 d, is among the stinkiest ever with a strong rank stench worse than rotten egg ...

Deep in the cold darkness beyond our Solar System, Oxford-led astronomers have discovered a world that defies easy categorisation: a small, rocky worl.

Astronomers in a recent breakthrough have identified a first-of-its-kind planet characterised with a unique hellscape and atmosphere. The planet is found to be orbiting a star in our ...

Scientists have discovered a strange “liquid planet” covered in molten magma, challenging known planet types. Could more hidden worlds like this exist, reshaping how we search for habitable planets?

A newly identified world beyond our solar system is giving scientists a fresh look at how strange planets can be, and it may come with a stench to match. Astronomers have discovered what appears to be ...

Add Yahoo as a preferred source to see more of our stories on Google. The unexpected detection of a new planet has been hailed as a “remarkable discovery” by Irish astronomers who were involved in its ...