Billions of years ago, in the frigid outer reaches of our solar system, two icy worlds collided. Rather than destroying each ...

Pluto likely acquired large moon Charon in a “kiss and capture” collision billions of years ago. It may have created a subsurface ocean on the icy dwarf planet.

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

Dwarf planet Pluto and our Earth are the only two worlds in our solar ... colour images of Pluto and Charon was taken by NASA’s New Horizons spacecraft as it passed through the Pluto system ...

The newcomer replacing Pluto presently goes by “Planet Nine.” If and when it finally shows up, it will get the honor of a ...

Stars and galaxies essentially remained unmoving in the images ... travels to Pluto and beyond. Although most famous for the discovery of the most controversial body in the solar system, Tombaugh ...

New research underscores the physics of potential oceans on moons like Europa and Enceladus where aliens could hide ...

Among the finds is an object thought to be an asteroid from the main belt, which lies between the orbits of Mars and Jupiter.