One of the most notable properties of the giant planets in our solar system—Jupiter, Saturn, Uranus and Neptune—are the ...

We actually know very little about what's going on inside Uranus and Neptune, causing researchers to propose that these ...

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

With water being so important to life on Earth, scientists often look for it on exoplanets. But some of those worlds might ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

But those claims were quickly met with pushback. Independent analyses of the same JWST data suggested the team's evidence for ...

WASHINGTON (AP) — A food aid program that supports millions of low-income mothers and their young children received a $300 ...

On October 6 1995, at a scientific meeting in Florence, Italy, two Swiss astronomers made an announcement that would transform our understanding of the universe beyond our solar system. Michel Mayor ...

New research suggests that planets outside our solar system contain far less surface water than scientists once believed. Contrary to earlier theories that these exoplanets might be covered by deep ...

Exoplanet hunters Christopher Watson and Annelies Mortier explain the long search for a 'twin Earth' capable of sustaining ...

A recent study introduces the idea of Planet Y, a theoretical world that could explain strange gravitational behavior beyond ...

For decades, astronomers have been awed by Saturn’s ring beauty. But a tiny, icy wanderer drifting between Saturn and Uranus ...