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

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

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

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." On September 5, 1977, while venturing out of the Solar System, NASA’s Voyager 1 spacecraft swung its gaze ...

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.

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

Add Yahoo as a preferred source to see more of our stories on Google. Green ocean island water against blue sky with mountains in distance Although Earth itself cohered into a planet around 4.5 ...

A study led by the University of Oxford has identified a new type of planet beyond our solar system—one that stores large amounts of sulfur deep within a permanent ocean of magma. The findings have ...

Where do Earth's oceans come from? The debate on whether water may have been originally delivered to our planet by comets striking its surface has reopened after a new groundbreaking study. Published ...

Ancient ice records show Earth’s oceans cooled over millions of years despite stable greenhouse gases, highlighting the role of oceans.

We've always called Earth the blue planet, but that color might not be permanent. Previous research claims our oceans were once green, and if environmental conditions shift dramatically, a new study ...