A new study led by UNLV scientists sheds light on how planets, including Earth, formed in our galaxy—and why the life and ...

Uranus and Neptune have been called the “ice giants” for decades. But in new research, that nickname might be more a misnomer ...

Interstellar seed: artist’s impression of 'Oumuamua, which could someday help with the formation of a planet. (Courtesy: ESO/M Kornmesser) Theories of planet formation describe how dust in discs ...

Giant alien worlds known as hot Jupiters, with searing, close orbits to their host stars, can inflate like balloons. Now, astronomers have discovered a hot Jupiter so puffy that it is one of the least ...

Fifth-graders making styrofoam solar system models may have the right idea. Researchers at Lehigh University have discovered a new planet orbiting a star 320 light years from Earth that has the ...

Anyone who has ever used baking soda instead of baking powder when trying to make a cake knows a simple truth: ingredients matter. The same is true for planet formation. Planets are made from the ...

An exoplanet is a planet from a different star system. Most known exoplanets orbit stars within the Milky Way, but with the help of powerful space telescopes, scientists have discovered exoplanets far ...

A Neptune-sized planet denser than steel has been discovered by an international team of astronomers, who believe its composition could be the result of a giant planetary clash. A Neptune-sized planet ...

Many of the exoplanets we've discovered look at least vaguely like something we're familiar with. Exoplanets have been described as super-Earths, mini-Neptunes, hot Jupiters, and so on. But not ...