The newfound exoplanet, called Kepler-139f, is a gigantic world roughly twice the mass of Neptune and 35 times the mass of ...

Previous research has found that Neptune-size planets display a great deal of variety, ranging from icy worlds clad in thick atmospheres of hydrogen and helium, such as the Neptune we know and ...

Three Neptune-Size Planets Found In Nearby Star System Date: May 18, 2006 Source: European Southern Observatory Summary: Using the ultra-precise HARPS spectrograph on ESO's 3.6-m telescope at La ...

Scientists have found evidence of water vapor on the alien planet HAT-11b, 124 light-years from Earth. The Neptune-size exoplanet is the smallest known with water in its atmosphere.

Ammonite was discovered using the Subaru Telescope in Hawaii, with follow-up confirmation from the Canada-France-Hawaii ...

A Neptune-size planet beyond the solar system has traces of water vapor in its atmosphere, making it the smallest "wet" exoplanet yet to be found. IE 11 is not supported.

An Exoplanet that is several times the mass of Jupiter has a moon that is the size of Neptune. The moon is estimated to be only 1.5 percent the mass of its companion planet. They are both 8000 light ...

Astronomers have spotted water and clouds in the atmosphere of a Neptune-sized planet 430 light-years away. While we know the galaxy is brimming with planets, we don’t know much about what they ...

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.

Researchers have discovered a new exoplanet the size of Neptune, approximately 32 light-years away from Earth.

Neptune, named after the god of the sea, has 14 moons. All of them represent Greek and Roman water mythology. The largest moon is Triton, which is nearly as large as Earth’s Moon.

Astronomers spy quickly evaporating planet GJ 3470b, which could help solve an odd mystery about distant worlds.