In a landmark achievement, astronomers have identified a super-Earth exoplanet only 18 light-years away that meets all the ...

Despite being nearly a billion kilometers closer to the Sun than Neptune, Uranus maintains a lower average temperature — around −224 °C, making it the coldest planet in the Solar System. Former Vice ...

Something’s about to snap, and everything’s going to change. On Nov. 4, upon entering the fiery and enthusiastic sign of Sagittarius, Mars will make a tricky opposition to Uranus retrograde in Gemini, ...