Scientists think a small rock discovered near Earth last August was hurled into space by an ancient impact on the lunar surface.

University of Arizona researchers have unveiled evidence of romance at the farthest reaches of the solar system: a cosmic ...

Pluto may have got romantic to capture its largest moon, colliding and engaging in a passionate but icy 10 hour kiss with ...

Recent simulations link the creation of Pluto and its moon Charon to a colossal impact, akin to the Earth-Moon origin, ...

One of the best ways to assemble the puzzle pieces of Earth’s past is hiding deep beneath its white polar sheets: ice ...

New study reveals Pluto and Charon’s origin: a unique "kiss and capture" collision redefines how binary systems form.

For decades, astronomers have tried to determine how Pluto acquired its unusually large moon Charon, which is about half the ...

Something rare is happening in the skies in the next few days — a black moon. This rare celestial event is due to an unusual calendar alignment: two new moons in one month. The first occurred ...

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

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