A U.S.-led team of researchers used Webb to directly detect carbon dioxide in the atmosphere of all four of the system's ...

The first time you may have heard the term ‘dwarf planet’ was when Pluto got demoted to one in 2006 (RIP). However, we actually have six in our Solar System. Pluto, Ceres, Makemake, Haumea, and Eris ...

Scientists found that some slopes on the Moon stay cold enough to hold ice. This could expand water sources for future space ...

The privately-owned lander turned its cameras toward Earth as our planet cast its shadow over the moon. It’s not the first spacecraft to do so.

The vernal equinox occurs as Mercury stands still in Pisces and several of Jupiter’s moons transit in the sky this week.

The number of known moons in our Solar System has been rising for centuries, but astronomers say it has probably peaked – for ...

If there was a contest for the most interesting moon in our solar system, Callisto would be a contender. Jupiter's ...

Even before the recently announced moons, Saturn had more than anyone could reasonably keep track of. Now, astronomers have ...

Europa is the sixth largest satellite in our Solar System and the smallest of Jupiter’s four Galilean moons. Discovered by ...

March's full moon, known as the Worm Moon, will bring a stunning total lunar eclipse, turning the Moon a deep reddish hue in ...

Astronomers have discovered a panoply of new moons orbiting Saturn, bringing the ringed gas giant's total up to 274 moons—far ...