Pluto likely acquired large moon Charon in a “kiss and capture” collision billions of years ago. It may have created a ...

Six planets will all be visible at once in the night sky this month, lined up across the sky—but one is set to disappear from view.

SATURDAY, JANUARY 11: We can spin our wheels or feel forgetful as that busy, peripatetic, talkative Gemini moon squares ...

Since New Horizons' close encounter with Pluto 10 years ago, experts have come to think of the dwarf planet as much more ...

Everything you need to know about the full “Wolf Moon,” including exactly when, where and how to see it at its best from ...

Researchers accounted for the previously overlooked structures of the dwarf planet and moon in computer simulations of a ...

Scientists propose Pluto and its moon Charon formed through a "kiss and capture" event 4.5 billion years ago, challenging ...

On Jan. 9, skywatchers can watch the dark limb of the 82%-illuminated waxing gibbous moon creep across this beloved star ...

“Because Pluto is rotating rapidly prior to the collision, and because Charon lies mostly outside of their corotation zone, ...

For decades, astronomers suspected that Pluto and Charon formed through a process similar to Earth and the Moon. This theory, ...

Billions of years ago, two icy worlds—Pluto and Chron—collided in the farthest reaches of our solar system. But rather than ...

Charon is large in size relative to Pluto, and is locked in a tight orbit with the dwarf planet. A new simulation suggests how it ended up there.