Forty light-years away sits a scorched world that once earned one of astronomy’s most dazzling nicknames: the diamond planet.

Far beyond the orbit of Neptune, in the cold outer reaches of the solar system, circles one of the most consequential small ...

In the search for life elsewhere in the universe, scientists have traditionally looked for planets with liquid water at their surface. But, rather than flowing as oceans and rivers, much of a planet's ...

Add Yahoo as a preferred source to see more of our stories on Google. A photo of Jupiter taken by NASA's Juno spacecraft in September 2023. NASA/JPL-Caltech/SwRI/MSSS ...

Found in the northern sky, GJ 3378b is a potentially rocky world with liquid water on its surface, receiving 90% of the ...

As astronomers have begun to gather data on the atmospheres of planets, we're learning about their compositions and evolution. Thick atmospheres are the easiest to study, but these same thick ...

New research suggests Mars could have enough water under its surface to form a global ocean. On Monday, scientists released their findings, which are based on seismic measurements captured from NASA’s ...

The BepiColombo spacecraft flew past Mercury for the fifth time last week, revealing the planet in mid-infrared light for the first time. The images revealed details of the temperature and composition ...

A new study using data from NASA’s Spitzer Space Telescope provides a rare glimpse of conditions on the surface of a rocky planet orbiting a star beyond the Sun. The study, published today in the ...

Learn how Pluto nearly kept its planet status in a proposed 12-planet Solar System as its demotion marks its 20th anniversary ...