Have you ever wondered why, with the vastness of the universe and the countless exoplanets we've discovered, there's still no ...

New experiments show young rocky planets can generate water naturally when molten surfaces react with hydrogen in their early atmospheres.

About 50 light-years from Earth, a gas giant about half the mass of Jupiter orbits a sunlike star. The discovery of Pegasi 51 ...

The gas giant WASP-18b belongs to a class known as ultra-hot Jupiters — giant, searing, gaseous planets that orbit perilously close to their stars. Researchers used a new technique called ...

Paulette LeBlanc, president of the Friends of the Safford City-Graham County Library, beamed into the library on Oct. 28 to hear author David Baron's talk about the Martian craze that ...

Washington, DC— Our galaxy’s most abundant type of planet could be rich in liquid water due to formative interactions between ...

This week's episode of SpaceBeat includes 1950s UFO evidence over nuclear test sites, Blue Origin’s New Glenn prep, the first ...

When evaluating possible planets out of the thousands out there, explained Prof. Bean, scientists look for liquid water as a ...

How do moons form around gas giant planets? This is what a recent study published in The Astrophysical Journal Letters hopes ...

New research uses laboratory experiments to demonstrate that water is naturally created during the planet formation process.

As more and more exoplanets are discovered throughout the galaxy, scientists find some that defy explanation—at least for ...

A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three ...