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

The lights appear within what is known as an aurora oval, a belt that roughly rings the Earth’s geomagnetic poles, said ...

Enigmatic planet Mercury posed for some closeups when the BepiColombo mission flew by. Craters, bright regions and volcanic ...

This NASA/ESA Hubble Space Telescope image reveals a tiny patch of sky in the constellation Hydra. The stars and galaxies ...

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.

Using computer models, researchers studying Pluto and its moon, Charon, have discovered an unforeseen kind of cosmic ...

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

The European and Japanese robotic explorer swooped as close as 183 miles (295 kilometers) above Mercury’s night side before ...

The BepiColombo spacecraft has sent back some incredibly detailed images of Mercury’s north pole. The snapshots were ...

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