While the James Webb Space Telescope looks for the most distant galaxies ever seen, astronomers have discovered something new ...

Take a peek at the early-morning duo of Saturn and Neptune, rising together in Pisces around 2:30 A.M. local daylight time.

The object is about 700 kilometres wide and lies nearly three times farther from Earth than Neptune. Its highly elongated ...

U.S. astronomers hunting for "Planet Nine" have instead stumbled on what appears to be a new dwarf planet in the solar system's outer reaches.

The small world was found during a search for the hypothetical Planet Nine, and astronomers say the next time it will reach ...

It's an evocative idea that has long bedeviled scientists: a huge and mysterious planet is lurking in the darkness at the ...

Saturn and Neptune are joined by the crescent Moon in the early-morning sky as our satellite moves along the ecliptic.