The molten exoplanet, larger than sub-Neptune, could be a new class of planet.

Astronomers long thought they had the galaxy’s planets figured out. It was either a ...

Scientists discover a nearby planet with a molten interior and sulfur-rich atmosphere, L 98-59 d, revealing a possible new ...

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

In a distant part of our cosmos, an intriguing new world exists. This newly discovered exoplanet, identified as L 98-59 d, seems to play host to a rare type of planetary environment.

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 ...

A new scientific revelation reveals that deep in the Earth’s core lies a good amount of hydrogen as well as a large amount of iron. While the iron in the core has always been recognized as dominant, ...

Our planet plunged into one of the most dramatic climate states in its long history, approximately 720–635 million years ago.

LONDON — Picture all of Earth's oceans, which cover about 70% of the planet and are mostly made of hydrogen. Now multiply that by nine. That may be the amount of hydrogen in Earth's core, possibly ...

Imagine a time when the blue planet looked nothing like it does today. A time when the oceans were frozen over, the continents were locked in a thick .