Astrophotographers and stargazers are in for a treat this week as Saturn and Neptune reach their brightest in days. According ...

New images released Wednesday from NASA's James Webb Space Telescope are revealing Neptune, and the planet's hard-to-detect rings, in a fresh light. "It has been three decades since we last saw these ...

For lovers of newly identified space objects, July has indeed been an exciting month. Last week, astronomers described Ammonite, a potential dwarf planet beyond Pluto. Yesterday, astronomers announced ...

Scientists are unraveling the mysteries of "steam worlds"—exoplanets known as sub-Neptunes that are rich in water but orbit so close to their stars that their surfaces are shrouded in thick ...